SirsiDynix Enterprise http://katalog.baskent.edu.tr/client/tr_TR/defaulttr/defaulttr/qf$003dSUBJECT$002509Konu$002509Electronic$002bbooks.$002509Electronic$002bbooks.$0026qf$003dPUBDATE$002509Yay$0025C4$0025B1n$002bY$0025C4$0025B1l$0025C4$0025B1$0025091923$0025091923$0026qf$003dSUBJECT$002509Konu$002509Interplanetary$002bvoyages.$002509Interplanetary$002bvoyages.$0026ps$003d300;jsessionid=A6ACC1C14F8FE63517567CDE313C17B0? 2024-06-04T16:01:07Z ent://SD_ILS/0/SD_ILS:1124944 2024-06-04T16:01:07Z 2024-06-04T16:01:07Z by&#160;Oberth, Hermann, author.<br/><a href="https://ebookcentral.proquest.com/lib/baskent-ebooks/detail.action?docID=4835210">Click to View</a><br/>Format:&#160;Elektronik Kaynak<br/>