00259nam a2200109 a 450000500170000000800410001704100080005810000200006624500320008626400250011830000060014320260717100947.0260717s2003    ii            000 0 eng d  aeng1 aAggrawal, B. M.10aStatistics /cAggrawal B.M. 1bSultan Chand,c2003.  a-