00423nam a2200157Ia 4500008004100000020001500041041000800056084001200064100001800076245005900094260003400153490002600187653001600213653001800229700001800247160808s1979    xx            000 0 eng d  a0222006137  aeng  aD582CC  aMilsome, John  aMachines in Space /cby John Milsome and Harry Sheldon  aLondon :bBurke Books,c1979.  aThe World Of Machines  aEngineering  aSpace Vehicle  aHarry Sheldon