000			00317nam a2200145Ia 4500
008			220421s9999||||xx |||||||||||||| ||und||
020			_c1800
040			_aET
100			_aSEWA SINGH
245		0	_aMANUAL OF REF. AND INF. SCIENCE
260			_bB.R. PUB. _aDELHI
300			_a350
500			_a15422
942			_cBK
999			_c21663 _d21663