000			00303nam a2200145Ia 4500
008			220421s9999||||xx |||||||||||||| ||und||
020			_c160
040			_aBED
100			_aSood, J K
245		0	_aTeaching of Science
260			_bAgrawal Pub. _aAgra
300			_a348
500			_a3281
942			_cBK
999			_c3281 _d3281