00461pamaa2200169 4500 0000014508 20101126090000.0 9971470535 620.112 PYT 1987 TA405 PYT 1987 Pytel Strength of materials Andrew Pytel and Ferdinand L. Singer. 4th ed. Singapore: HarperCollins, 1987. xi, 593p.: 22cm. Strength of materials Singer, Ferdinand