00269nam a2200109Ia 4500008004100000041000800041082002400049100002200073245004700095260000900142300000800151211209s1970    xx            000 0 und d  aeng  a510.246 N70 LEN/CHA  aLENNOX, STANLEY C  aMATHEMATICS FOR ENGINEERS AND SCIENTISTS.   c1970  a443