by O. Hachenberg
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Betrachtungen zum Bau grosser Radioteles...
Technische Grundlagen der Radioastronomi...
Molecular hydrogen in space
Untersuchung der 21-cm Linienstrahlung v...
Quasars, pulsars, and black holes
The structure of galactic neutral hydrog...
Atomic and molecular excitation mechanis...
Atlas of galactic neutral hydrogen