000			00384nam a2200145Ia 4500
005			20260205102650.0
008			260111s9999||||xx |||||||||||||| ||und||
082			_a570.7 M313T
100			_aMangal, S. K
245		0	_aTeaching of physical and life sciences
260			_aNew Delhi _bArya book _c1991
300			_a397p
690			_aLife Sciences-Study and teaching
942			_cBK
999			_c250095 _d250095