000			00320nam a2200145Ia 4500
008			220421s9999||||xx |||||||||||||| ||und||
020			_c800
040			_aBED
100			_aSharma, Y K
245		0	_aTeaching of Physical Science
260			_bKanishka Pub. _aNew Delhi
300			_a366
500			_a3199
942			_cBK
999			_c3199 _d3199