000			00381nam a2200145Ia 4500
008			170101s1973 xx 000 0 und d
082			_a507 R47N
100			_aRICHMOND, P. E
245		0	_aNew trends in integrated science teaching
260			_bParis _c1973
300			_av-1&2
650			_aSCIENCE - STUDY & TEACHING
653			_aSCIENCE - STUDY & TEACHING
942			_2ddc _cB
999			_c50966 _d50966