000 00284nam a2200097Ia 4500
008 120229s9999 xx 000 0 und d
082 _aH 509.22 MUL
100 _aMuley, Gunakar
245 _aPracheen bharat ke mahan vaigyanik
260 _bGyan Vigyan Prakashan
_aNew Delhi
_c1989
999 _c120757
_d120757