000 00320nam a2200133Ia 4500
008 221001s2008 xx 000 0 eng d
082 _a551.41 GUP (H)
100 _aGupta, S. L.
245 0 _aBhuaakritivigyan
250 _a2nd ed.
260 _aDelhi
_bDelhi University
_c2008
300 _a664p.
942 _2ddc
_cBK
_04
999 _c32064
_d32064