000 00321nam a2200121Ia 4500
008 221001s1975 xx 000 0 eng d
082 _a551.4 NEI (H)
100 _aNegi, Balbir Singh
245 0 _aSthalakritiyon ka adhyayan
260 _aMeerut
_bMeenakshi Prakashan
_c1975
300 _a286 to : 588p.
942 _2ddc
_cBK
999 _c18921
_d18921