01049nam a2200229Ia 4500003000900000008004100009040001600050080001800066111008900084245025100173260006200424300001300486650004100499650003800540650001800578650002500596700003500621710004700656942000700703999001500710952009400725IN-BaIIA211028s9999    xx            000 0 eng d  cIIA Library  a524.7-77bLOW  aNational Radio Astronomy Observatory WorkshopcWest Virginiad1982 Apr. 21-22913413 0aLow frequency variability of extragalactic radio sourcesbproceedings of the National radio astronomy observatory workshop held in Green Bank, West Virginia, April 21-22 1982cedited by William D. Cotton                                             aWest VirginiabNational Radio Astronomy Observatoryc1982  av, 152p.  aAstronomy and astrophysics thesaurus  aExtragalactic radio sources93899  aQuasars91096  aRadio galaxies96716  aCotton, William D., ed.913414  aNational radio astronomy observatory97771  cBK  c7952d7952  00104070aBANbBANcGENd1984-10-15l0o524.7-77/ LOWp8775r2021-11-05w1984-10-15yBK