00401nam a22001457a 4500 604.2 LEV L-2, P-13 Levens, A.S 39065 Graphics in engineering and science Levens, A.S USA John Wiely & sons 1954 viii, P-696 0 0 0 604_200000000000000_LEV MCE 379 Levens, A.S 39065 ddc BK 544731 544731 0 0 ddc 0 0 MCE MCE 2014-05-09 1 604.2 LEV MCE-33259 2014-05-09 2014-05-09 2014-05-09 BK