000			00438cam a2200169 4500
003			OSt
005			20130108111029.0
008			740129s1973 fr ab j 001 0 eng
020			_a9231010581
082	0	0	_a507 NEW
110	2		_aUnesco.
245	1	0	_aNew Unesco source book for science teaching.
260			_aParis, _bUnesco, _c1973.
300			_a270 p. _billus., fold. col. map. _c23 cm.
504			_aIncludes index.
942			_2ddc _cBK
999			_c6341 _d6341