@book {18088, title = {La libert{\`a} individuale come impegno sociale}, year = {1997}, publisher = {Editori Laterza}, organization = {Editori Laterza}, address = {Rome \& Bari}, url = {http://www.amazon.com/libert\%C3\%A0-individuale-come-impegno-sociale/dp/8842051136/ref=sr_1_1?s=books\&ie=UTF8\&qid=1310743127\&sr=1-1}, author = {Amartya Sen} }