00277nam a2200121Ia 4500082002100000100001800021245003400039260003100073300000600104490003500110500000500145700000500150  a519.233bH851.DP  aHoward, R. A.  aDynamic probability systemsb  aNew YorkbJohn Wileyc1971  a   aSeries in decision and control  a  a