Search results for: U. Hopp
Astronomische Nachrichten > 335 > 9 > 992 - 1013
Astrophysics and Space Science > 2003 > 284 > 2 > 393-396
Astrophysics and Space Science > 2001 > 277 > 1 > 309-312
Astrophysics and Space Science > 2001 > 277 > 1 > 267-270