00539nam a2200145Ia 4500003000600000005001700006008004100023020001800064040002500082082003600107100006500143245011500208260004400323300002600367NORSU20240402071941.0240215s9999    xx            000 0 und d  a0-471-11306-9  aNORSU-DumcNORSU-Dum  a520.078 R53 19952Third edition  aRobbins, R. Robert, Jefferys, William H. & Shawl, Stephen J. 0aDiscovering Astronomy: Activities Manual and KitcBy R. Robert Robbins, William H. Jefferys & Stephen J. Shawl  bJohn Wiley & Sons, Inc.c1995aNew York  avi, 179 pages, 28 cm.