00512nam a2200157Ia 4500008004100000022001900041040002500060082001700085100001900102245003700121260003200158942000700190942000700197952013300204999001700337240215s9999    xx            000 0 und d  a971-08-1918--6  aNORSU-DumcNORSU-Dum  a514/R43/1971  aRider, Paul R. 0aPlane and Spherical Trigonometry  bThe Macmillan Companyc1971  cBK  yBK  00102ddc4070aNORSU-DumbNORSU-DumcCIRCd2024-02-15i5852l0oCirc. 514 R43 1971pNORSU000025778r2024-02-15w2024-02-15yBK  c19234d19234