00676nam0-22002651i-450-990002857760403321000285776FED01000285776(Aleph)000285776FED0100028577620000920d1994----km-y0itay50------baENG<<The >>essence changeLiz Clark.-New YorkPrentice Hall1994XI202 p. 23 cmClarke,Liz116478ITUNINARICAUNIMARCBK9900028577604033211-7-606-TI5246 DEAECAECAEssence change415513UNINAING01