00253nam a2200109Ia 4500100001900000654002200019245003300041260003900074082001000113300000800123546001200131  aPeatfield/A.E   aEngineering T.Y.S  aMechanical Engineering T.Y.S  bEnglish UniversitiesaLondonc1967  a670.4  a185  aENGLISH