000 00358nam a2200097Ia 4500
008 120223s9999 xx 000 0 und d
082 _aH 891.4301915 JAI
100 _aJain, Vrishabh Prasad
245 _aPratook aur pratook vigyan
260 _bRajkamal prakashan
_aNew Delhi
_c1991
999 _c147716
_d147716