000			00321nam a2200145Ia 4500
008			220421s9999||||xx |||||||||||||| ||und||
020			_c150
040			_aET
100			_aSUKBIR SINGH
245		0	_a25st YEAR LIB. SCIENCE WRITINGS
260			_bESS-ESS PUB. _aDELHI
300			_a130
500			_a14407
942			_cBK
999			_c20660 _d20660