00494nam a2200169Ia 4500003000900000008004100009020001800050040001600068080001300084100001900097245008800116250001200204260003600216300001400252650004100266650001700307IN-BaIIA211028s9999    xx            000 0 eng d  a0-387-96683-8  cIIA Library  a524bHAR  aHarwit, Martin 0aAstrophysical conceptscMartin Harwit                                                a2nd ed.  aNew YorkbSpringer-Verlagc1988  axv, 626p.  aAstronomy and Astrophysics thesaurus  aAstrophysics