000 00335nam a2200133Ia 4500
008 221001s1990 xx 000 0 eng d
082 _a311.2 GUP
100 _aGupta, Stya Prakash
245 0 _aSankhiki ke siddhanth
250 _a8th ed.
260 _aNew Delhi
_bSultan Chand & Sons
_c1990
300 _avi, 156p.
942 _2ddc
_cBK
999 _c13191
_d13191