00266nam a2200097Ia 4500008004100000082002300041100001900064245004000083260003700123300000800160140113s9999    xx            000 0 und d  a311:574 .001.5  K5  a"Pearce, S.C."  aBiological Statistics :Introduction  a1965bMcGraw Hill BookcNew York  a212