: 102http://astraiosdb.utwente.nl/data/course/ Create a prefix for http://astraiosdb.utwente.nl/data/course/ Hit Enter to save Double click to create a prefix | Practical course in observation-oriented astronomy @en |
: 102http://astraiosdb.utwente.nl/data/course/ Create a prefix for http://astraiosdb.utwente.nl/data/course/ Hit Enter to save Double click to create a prefix | Practical course in observation-oriented astronomy @en |