00466nam a2200157Ia 4500003000900000008004100009040001600050080001500066100002000081245009100101260002600192300000900218650004100227650002000268650002000288IN-BaIIA211028s9999    xx            000 0 eng d  cIIA Library  a52-77bCRO  aCrowther, J. G. 0aRadio astronomy and radarcJ. G. Crowther                                               aStrandbMethuenc1958  a64p.  aAstronomy and astrophysics thesaurus  aRadar astronomy  aRadio astronomy