000			00401nam a2200157Ia 4500
003			NIELib
008			211019s9999||||xx |||||||||||||| ||und||
020			_a0-7099-4930-8
082			_a371.1 _bTEA
245			_aTeaching science 11-13
260			_bCroom Helm, _c1987. _aNew York:
300			_a209p.; _c21cm
700			_aFoster, Don _96236 _eEd.
700			_aLock, Roger _922108 _eEd.
942			_2ddc _cLM
999			_c38942 _d38942