Dynamical properties of highly entangled polyalkylmethacrylate solutions : A comparative study V. Villari, A. Faraone, S. Magazù, G. Maisano et R. Ponterio J. Phys. IV France, 10 PR7 (2000) Pr7-321-Pr7-324 DOI: 10.1051/jp4:2000765