00861nam a2200253 i 450099100128829970753620020507113917.0970308s1971 uk ||| | eng b10199676-39ule_instLE00645267ExLDip.to Fisicaita53(075)Nuffield Foundation284751Teachers'handbook /Nuffield FoundationHarmondsworth :Penguin Books,1971ix, 236 p. :ill. ;21 cm.PhysicsPhysics-Study and teaching.b1019967617-02-1727-06-02991001288299707536LE006 53(075) NUF12006000038461le006-E0.00-l- 00000.i1024666627-06-02Teachers'handbook190851UNISALENTOle00601-01-97ma -enguk 01