000 00270nam a22000977a 4500
082 _a001.422
_bAGG.B
100 _aAggarwal, Y. P
245 _aBetter sampling:
_b concepts, techniques, and evaluation
_cAggarwal, Y. P
260 _aNew Delhi:
_bSterling,
_c1988
942 _cBK
999 _c325816
_d325816