000 00302nam a2200121Ia 4500
008 221001s1968 xx 000 0 eng d
082 _a891.434 NIR (H)
100 _aAggrawal, B. N.
245 0 _aVyavparik sanniyam
260 _aAgra
_bDoaba House Publ.
_c1968
300 _avii, 492p.
942 _2ddc
_cBK
999 _c6766
_d6766