000			00308nam a2200145Ia 4500
008			220421s9999||||xx |||||||||||||| ||und||
020			_c160
040			_aET
100			_aBHAGWAN DAS
245		0	_aSHIKSHA MNOVIGYAN
260			_bOMEGA PUB. _aNEW DELHI
300			_a246
500			_a66491
942			_cBK
999			_c72454 _d72454