00437nam a2200169Ia 4500008004100000020001500041082001800056100002400074245003900098260003900137300000800176650001800184650001500202653001200217653001500229700002300244170901s2000    xx            000 0 und d  a1550091239  a574.072bN74B  aNorman, Geoffrey R. 0aBiostatisticsbThe Bare Essentials  aHamiltonbB. C. Decker, Inc.c2000  a324  aPure Sciences  aStatistics  aBiology  aStatistics  aStreiner, David L.