00588nam a2200181Ia 4500003000900000008004100009020001800050040001600068080001500084100002400099245012700123260003600250300001600286650004100302650002300343650002000366650002000386IN-BaIIA211028s9999    xx            000 0 eng d  a0-387-96280-8  cIIA Library  a52-77bVER  aVerschuur, Gerrit L 4aThe invisible universe revealedbthe story of radio astronomycGerrit L Verschuur                                           aNew YorkbSpringer-Verlagc1987  axiii, 262p.  aAstronomy and astrophysics thesaurus  aInvisible universe  aRadar astronomy  aRadio astronomy