000 00282nam a2200121Ia 4500
008 210901s1994 xx 000 0 eng d
082 _a310 GUP
100 _aS,P,Gupta
245 0 _aStatical methods
250 _a4th
260 _aNew Delhi
_bSulltan chand
_c1994
942 _2ddc
_cBK
999 _c24925
_d24925