00318nam a2200109Ia 4500008004100000040002500041082001600066100005200082245003400134260003200168300000800200230627s9999    xx            000 0 und d  aNORSU-SiacNORSU-Sia  a516.240 H46  aHestenes, MArshall D. and Richard O. Hill, Jr.  0aTrigonometry with calculators  bUni-Ed, Incorporated c1982  a353