Adisson, E., Ribeiro, M. R., Deffieux, A., Fontanille, M., “Evaluation of the heterogeneity in linear low-density polyethylene comonomer unit distribution by differential scanning calorimetric characterization of thermally treated samples”, Polymer, 33, 4337, 1992.

Ribeiro, M. R., Deffieux, A., Fontanile, M., Portela, M. F. “Synthesis and activity of vanadium-based supported catalysts for ethylene polymerization”, Applied Catalysis A: General, 102, 1, 1993.

Deffieux, A., Adisson, E., Fontanille, M., Ribeiro, M. R. “Resolution of DSC thermograms of LLDPE : a route to an analytical characterisation of comonomer units distribution”, Polimery, 39, 10, 1994.

M. R. Ribeiro, A. Deffieux, M. Fontanile, M. F. Portela, "Homo and Copolymerisation of Ethylene: "Improvement of Supported Vanadium Catalysts Performances by Halocarbons", Macromolecular Chemistry and Physics, 196, 3833 (1995).

M. R. Ribeiro, A. Deffieux, M. Fontanille and M. F. Portela "Kinetic investigation of parameters governing the high temperature polymerization of ethylene initiated by supported VCl₃ catalytic systems. " European. Polymer Journal, 32, 811 (1996)

M. R. Ribeiro, M. F. Portela, A. Deffieux, H. Cramail, M. F. Rocha "Isoespecific homo and copolymerization of styrene with ethylene in the presence of VCl₃, AlCl₃ as catalyst", Macromol. Rapid Commun., 17, 461 (1996)

M. R. Ribeiro, A. Deffieux, M. F. Portela "Supported metallocene complexes for ethylene and propylene polymerizations; preparation and activity", Ind. Eng. Chem. Res., 36, 1224 (1997).

R. Benavente, J. M. Pereña, E. Perez, A. Bello, M. R. Ribeiro, M. F. Portela "Dynamic Mechanical Relaxations and microhardness indentations of styrene-ethylene copolymers obtained with heterogeneous catalysts", European Polymer Journal, 36/5, 879 (2000)

A. Antiñolo, F. Carrillo-Hermosilla, A. Corrochano, J. Fernández-Baeza, A. Lara-Sanchez, M. R. Ribeiro, M. Lanfranchi, A. Otero, M. A. Pellinghelli, M. F. Portela, J. V. Santos, Synthesis of Zirconium (IV) Monocyclopentadienyl-Aryloxy Complexes and their Use in the Catalytic Ethylene Polymerization. X-Ray Structure of (h⁵-C₅Me₅)Zr{2, 6-OC₆H₃(CH₃)₂}₃, Organometallics, 19, 2837-2843 (2000).

Chun-tian Zhao, M. R. Ribeiro, M. F. Portela, S. Pereira, M. T. Nunes, "Homo- and copolymerization of norbornene and styrene with nickel (bis (acetylacetonate)/methylaluminoxane system", European Polymer Journal 37, 45-54 (2001) .

Chun-tian Zhao, M. R. Ribeiro, M. Norberta Pinho, V. S. Subrahmanyam, C. Lopes Gil, A. P. de Lima, "Structural Characteristics and Gas Permeation Properties of Polynorbornene with retained bicyclic structure", Polymer, 42, 2455-2462 (2001).

J. M. Santos, M. R. Ribeiro, M. F. Portela , J. M. Bordado, "Improved adhesion of polyethylene by copolymerisation of ethylene with polar monomers", Chemical Engineering Science 56, 1-6 (2001).

J. M. Santos, M. R. Ribeiro, M. F. Portela, S. G. Pereira, T. G. Nunes, A. Deffieux, "Metallocene catalysed Copolymerisation of ethylene and 10-Undecenoic Acid: The effect of experimental conditions", Macromol. Chem. Phys. 202, 2195 (2001).

A. Otero, J. Fernández-Baeza, A. Antiñolo, F. Carrillo, J. Tejeda, E. Díez-Barra, A. Lara, L. Sanchez, I. López, M. R. Ribeiro, J. M. Campos. "Polymerisation of ethylene by the electrophilic heteroscorpionate-containing complexes [TiCl₃(bdmpza)] and [TiCl₂(bdmpza){O(CH₂)₄Cl}] (bdmpza = Bis(3, 5-Dimethylpyrazol-1-yl)-acetate)", Organometallics 20(12); 2428-2430 (2001).

J. M. Santos, M. R. Ribeiro, M. F. Portela, H. Cramail, A. Deffieux, "Transition Metal Complexes as Catalysts for the Homo- and Copolymerisation of Olefins and Non­conjugated Dienes", Makromol. Chem. Phys. 202, 3043-3048 (2001).

Maria. L. Cerrada, Rosario Benavente, Ernesto Pérez, Jorge M. Santos, M. Rosário Ribeiro, "Experimental evidence of the glass transition in a metallocene ethylene-1-octene copolymer and its composites with glass fiber", Polymer, 42, 7197 (2001).

J. M. Santos, M. R. Ribeiro, M. F. Portela, H. Cramail, A. Deffieux, A. Antiñolo, A. Otero, S. Prashar, "[(h⁵-C₅Me₄)SiMe₂(NtBu)]TiCl₂ as pre-catalyst for the copolymerisation of ethylene with 5, 7­dimethylocta-1, 6-diene and with 3, 7­dimethylocta­1, 6-diene", Makromol. Chem. Phys., 203, 139-145 (2002).

Chun-Tian Zhao, M. R. Ribeiro, M. F. Portela, "Addition polymerisation of 5-vinyl-2-norbornene with nickel Bis (acetyl acetonate)/Methylaluminoxane system", J. Mol. Catal. A-Chem., 185 (1-2): 81-85 (2002).

Chun-Tian Zhao, M. R. Ribeiro, M. F. Portela, "Unique morphology of amorphous polystyrene synthetised by Nickel Bis (acetyl acetonate)/Methylaluminoxane system", Macromol. Chem. Phys. 203, 1983-1987 (2002).

M. Dolatkhani, H. Cramail, A. Deffieux, J. M. Santos, M. Rosário Ribeiro, J. Bordado, "Functionalisation of polyolefins: Grafting of phenol groups on olefin/5, 7-dimethylocta-1, 6-diene copolymers", Macromol. Chem. Phys. 204 1889-1897 (2003).

María L. Cerrada, Rosario Benavente, José M. Pereña, Ernesto Pérez, Jorge Moniz-Santos, M. Rosário Ribeiro, "Structural Characterization and Mechanical Behavior of Metallocenic Copolymers of Ethylene and 5, 7-Dimethylocta-1, 6-Diene", Macromol. Symp. 213, 315-325 (2004).

Marc Dolatkhani, Henri Cramail, Alain Deffieux, Maria Rosário Ribeiro, Jorge M. Santos, João M. Bordado, "Synthesis of polyolefin based materials with improved thermo-oxidative stability", Macromol. Symp., 213, 347-356 (2004).

Maria. L. Cerrada, R. Benavente, E. Pérez, J. M. Santos, M. Rosário Ribeiro, "Metallocenic ethylene-5, 7-dimethyl-1, 6-octadiene copolymers: structural characterization and mechanical behaviour". J. Polym. Sci. Part B, Polymer Physics 42, 3797-3808 (2004).

D. E. B. Lopes, M. F. V. Marques, M. L. Dias, M. R. Ribeiro, J. P. G. Lourenço, Copolymerisation of ethylene and non-conjugated dienes with metallocene/methylaluminoxane system supported on MCM-41 mesoporous material, European Polymer Journal, 40, 2555-2563 (2004).

Jian-Chao Yuan, Leonel C. Silva, Pedro T. Gomes, Pedro Valerga, João M. Campos, M. Rosário Ribeiro, James C. W. Chien, Maria M. Marques. Living and block polymerization of a-olefins using a Ni(II)-a-diimine catalyst containing OSiPh₂ tBu groups, Polymer 46 2122–2132 (2005).

J. Arranz-Andrés, R. Benavente, M. R. Ribeiro, E. Pérez, M. L. Cerrada, Evolution of a metallocenic sPP with time: Changes in crystalline content and enthalpic relaxation, Macromol. Chem. Phys. 207, 1564-1574 (2006) .

Joana Tudella, M. Rosário Ribeiro, H. Cramail and A. Deffieux, Novel Organic Activators for Single Site Iron Catalysts. Macromol. Chem. Phys. (accepted for publication).

María L. Cerrada, R. Benavente, E. Pérez, J. Santos, J. M. Campos, M. Rosário Ribeiro, Synthesis and Properties of Ethylene-co-10-Undecenoic Acid Copolymers Prepared with Different Metallocene Catalysts, Macromol. Chem. Phys. (accepted for publication).