00571nam a2200169Ia 4500003000900000008004100009020001800050040001600068080001800084100001700102245015700119260003400276300001900310650001400329650004100343650001700384IN-BaIIA211028s9999    xx            000 0 eng d  a3-540-60172-4  cIIA Library  a048.1:52b62B  aBurkhardt, G 0aAstronomy & Astrophysics Abstracts vol.62B Literature 1994bpt. 2cG. Burkhardt,  U. Esser and  H. Hefele                                                 aBerlinbSpringer-Verlagc1995  aviii, 597-1500  aAstronomy  aAstronomy and Astrophysics Abstracts  aAstrophysics