00254nam a2200109Ia 4500008004100000041000800041082002000049100001700069245002000086260003000106300000800136211209s1991    xx            000 0 und d  aeng  a621.436 N91 WHA  aWHARTON, A J  aDIESEL ENGINES   aNEWNESbBUTTERWORTHc1991  a130