000			00351nam a2200145Ia 4500
008			231217s9999 xx 000 0 und d
020			_a81-7888-184-5
041			_aEnglish
082			_a372.35 DAS;1 R
100			_aDash, B N.
245		0	_aTeaching of science
250			_a1st ed.
260			_c2004 _bDominant Publ. _aNew Delhi
942			_cAA
999			_c195096 _d195096