00451nam a2200157Ia 450000500170000002000220001708200170003910000180005624500420007425000120011626000480012830000300017650400330020665000260023970000280026520260518061955.0  a0060453133 (hbk.)  a620.112bPYT  aPytel, Andrew 0aStrength of materials /cAndrew Pytel  a4th ed.  aNew York :bHarper & Row Publishers,c1987.  axiii, 594p :bill. ; 23cm  aIncludes references & index.  aStrength of materials  a Singer, Ferdinand Leon