00306nam a2200121Ia 4500082002300000100001300023245003800036260003100074300000900105490006000114500000500174700000500179  a519.50212bH158.ST  aHald, A.  aStatistical tables and formulasb  aNew YorkbJohn Wileyc1952  a97p.  aWiley series in Probability and Mathematical Statistics  a  a