000			00332nam a2200133Ia 4500
008			210212s9999||||xx |||||||||||||| ||und||
072			_aCom
082			_a657H Gup P7
100			_aGupta ,rl and gupta v.k
245		0	_aVitiya lekhankan
260			_c2007 _bSultan chand and sons _aNew delhi
300			_aS 119p.
942			_cSU
999			_c140114 _d140114