00339nam a2200133Ia 4500008004100000041000800041082001700049100003700066245002100103250000600124260002900130300001200159650003400171210716s1955    xx            000 0 und d  aeng  a332.632 BELD  aBell, David E;Schleifer, Arthur.  aRisk management.  a1  aAustraliabThomsonc1955  axvi,261  aRisk Management & Derivatives