00471nam a2200169Ia 4500003000900000008004100009040001600050080002100066100002400087245004800111260003800159300001400197650003300211650002300244650001500267650001900282IN-BaIIA211028s9999    xx            000 0 eng d  cIIA Library  a621.3.029.6bMUC  aMuchmore, Robert. B 0aEssentials of microwavescRobert B Muchmore  aNew YorkbJohn Wiley & Sonsc1952  avi, 236p.  aExtraterrestrial Radio waves  aInfrared radiation  aMicrowaves  aNASA thesaurus