000			00347nam a2200145Ia 4500
005			20260205102623.0
008			260111s9999||||xx |||||||||||||| ||und||
082			_a520 R812K
100			_aRoy,A.E.
245		0	_aKhagol Vigyan Ke Mahan Shan(H )
260			_aDelhi _bAlankar _c1990
300			_a136p.
690			_aEarth Science
942			_cBK
999			_c249057 _d249057