@article{article708dd23c,
title   = {Characterization of castor oil based polyurethane films prepared with N-methyl-2-pyrrolidinone as a solvent},
author = {Malmonge, J A and Santos, M A dos and Malmonge, L F and Kanda, D H F and Chierice, Gilberto Orivaldo and Sakamoto, W K},
year = {2005},
doi = {10.1002/app.22103},
journal   = {Journal of Applied Polymer Science}
}