01011nam0-22003371i-450-99000200300040332120110613113740.0000200300FED01000200300(Aleph)000200300FED0100020030020030910d1963----km-y0itay50------baengUSy---a---001yyBiological sciencemolecules to manblue versionthe Biological Science Curriculum Study (BSCS) blue versionsupervisor Claude A. WelchBostonHoughton Mifflin1963XIX, 716 p.24 cmHoughton Mifflin science program001000200311Scienze Biologiche574Welch,Claude A.Biological Sciences Curriculum StudyITUNINARICAUNIMARCBK99000200300040332161 II B.5/392081DAGENDAGENBiological science403112UNINA