00240nam a2200109Ia 4500008004100000041000800041082002400049100001800073245002200091260000900113300000800122211209s1967    xx            000 0 und d  aeng  a623.746 045 N69 HOL  aHOLTZMANN R T  aCHEMICAL ROCKETS   c1967  a446