3D analysis of gelatin gel networks from transmission electron microscopy imaging M. Djabourov, N. Bonnet, H. Kaplan, N. Favard, P. Favard, J. P. Lechaire and M. Maillard J. Phys. II France, 3 5 (1993) 611-624 DOI: 10.1051/jp2:1993155