00722nam a2200205Ia 4500003000900000008004100009020001800050040001600068080002100084245015500105260003400260300001500294650004100309650004100350650004100391700002300432700001900455700002000474700002200494IN-BaIIA211028s9999    xx            000 0 eng d  a3-540-53533-0  cIIA Library  a049.1:52/90-51B  0aAstronomy and Astrophysics Abstractsbvol. 51B, pt. 1, literaturecedited by G. Burkhardt…[et. al.]                                                   aBerlinbSpringer-Verlagc1990  a683-1526p.  aAbstracts-Astronomy and Astrophysics  aAstronomy and Astrophysics Abstracts  aAstronomy and Astrophysics Thesaurus  aBurkhardt, G., ed.  aEsser, U., ed.  aHefele, H., ed.  aHeinrich, I., ed.