00474nam a2200145Ia 4500003000900000008004100009040001600050080001800066110002900084245009200113260004400205300000900249490002900258650004100287IN-BaIIA211028s9999    xx            000 0 eng d  cIIA Library  a621.3.04bRAD  aRadiocraft Library no.34 0aRadio electronic circuitscRadiocraft Library no.34                                      aNew YorkbRadiocraft Publicationsc1947  a64p.  aRadiocraft Library no.34  aAstronomy and Astrophysics Thesaurus