000			00417nam a2200133Ia 4500
005			20260205105040.0
008			260111s9999||||xx |||||||||||||| ||und||
082			_a503 B199S
245		0	_aSugan vigyan vishavkosh: gyan vigyan ki pramanik tathyapooran aur naveentam jankaari sainkdo chitro sahit/edited by Baalkrishan
260			_aDelhi _bRavinder press _c1990
300			_a104p.
690			_ahindi
942			_cBK
999			_c259254 _d259254