00719nam0-22002771i-450-99000104043040332120040317163744.0000104043FED01000104043(Aleph)000104043FED0100010404320020001d--------km-y0itay50------baengTeacher's GuideVol. IILondonLongmans1968P.s.s.c.Esercizi di fisica530Nuffield foundation.Science teaching projectITUNINARICAUNIMARCBK99000104043040332120D-074.0018045FI1FI1Teacher's Guide338642UNINA