00557nam a2200193Ia 4500003000900000008004100009020002100050040001600071080001500087100002500102245011600127250001200243260002900255300001600284650001200300650001200312650002000324650001900344IN-BaIIA211028s9999    xx            000 0 eng d  a978-0387-30816-6  cIIA Library  a52-77bVER  aVerschuur, Gerrit L. 4aThe invisible universebthe story of radio astronomycGerrit L. Verschuur                                        a2nd ed.  aNew YorkbSpringerc2007  axiii, 156p.  aPulsars  aQuasars  aRadio astronomy  aRadio galaxies