000			00466nam a22001697a 4500
003			NIELib
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020			_a0582213053
082			_a507 _bRIC
100			_aRichardson, W. _952267
245			_aNuffield Secondary Science Theme 6 Movement
260			_bLongman Group Limited, _c1971.
300			_a173p.; _bill. _c24cm
650		0	_a Education, Research, Related Topics
942			_2ddc _cLM
999			_c161251 _d161251