00450nam a2200157Ia 4500008004100000082001600041100001900057245004000076250000600116260004600122300000800168650003800176650003400214653002600248700001800274170901s1978    xx            000 0 und d  a620.1bH35P  aHarrison, H.R. 0aPrinciples of Engineering Mechanics  a1  aAvonbEnglish Language Book Societyc1978  a255  aEngineering and allied operations  aTechnology (Applied sciences)  aEngineering mechanics  aNettleton, T.