00355nam a2200109Ia 4500008004100000040002500041082001600066100005900082245004600141260005000187300000800237230627s9999    xx            000 0 und d  aNORSU-SiacNORSU-Sia  a516.242 M31  aMamhot, Millard R. and  Dennis Tarepe, Alice A. Mamhot 0aPlane trigonometry: a calculator approach  bPURELY BOOKS TRADING & PUBLISHING CORP.c2012  a127