00277nam a2200133Ia 4500020001800000082001000018100001800028245002700046250000600073260004200079300000800121500000800129650000600137  a0-521-56694-0  a519.1  aStirzaker, D. 0aElementary Probability  a-  aCambridgebCambridge University Press  a373  a466  a-