00000cam a22000003a 4500 UP-1685594773861666212 Buklod 20090127144218.0 j|||||||||||||| | ta 090127s1954 xx d r |||| u| (iLib)UPBAG-00004679740 cWIT|dm.c.|dTOL QA 90 L44 1954 Levens, A. S. (Alexander Sander) 1900- Graphics in engineering and science A. S. Levens. New York Wiley [c1954] 696 p. ill. 25 cm. Graphic methods. Engineering. UPBAG UPBAG-MAIN QA 90 L44 1954 Book