00362nam a2200133 a 450000500170000002000150001708200150003210000200004724500270006726000430009430000240013749000440016170000230020520251203110614.0  a8185931526  a514.2bMIL  aMilnor, John W.  aCharacteristic Classes  aNew DelhibHindustan Book Agencyc1974  avi,330p.c24 cm. PB  aTexts and Readings in Mathematicsdv.32  aStasheff, James D.