00330nam a2200109Ia 4500008004100000040002500041082001500066100004100081245005600122260003400178300000800212230627s9999    xx            000 0 und d  aNORSU-SiacNORSU-Sia  a516.24 H25  aHart, William L. and William L. Hart 0aPlane and spherical trigonometry with applications   bD.C. HEATH AND COMPANY c1943  a124