00264nam a2200109 a 450000500170000002000150001708200220003210000170005424500290007126000360010030000180013620251203091512.0  a0387967354  a519.2076,bD, cac  aCacoullos, T  aExercises in probability  aNew YorkbSpringer-Verlagc1989  aix,248p, 22cm