00781nam0-22002891i-450-990000370630403321200010100-8247-9599-7000037063FED01000037063(Aleph)000037063FED0100003706320001010d--------km-y0itay50------baitay-------001yyGroup interaction modeling of polymer Properties(by) David PorterNew YorkMarcel Dekker Inc.copyr. 1955X,499 pp. ill. 25 cm620.1'9204296-dc20Porter,DavidITUNINARICAUNIMARCBK99000037063040332104 202-16DIC 1807DINCHDINCHUNINAING01