000			00383nam a2200193Ia 4500
008			140520s9999||||xx |||||||||||||| ||und||
082			_a507.8
082			_bC.S.I.R.
245			_aLearn Science Yourself
260			_aNew Delhi
260			_bC S I R
260			_c1991
300			_a128
300			_bpb
300			_c6x9
350			_a0
365			_b0
365			_dRuppes
999			_c62851 _d62851