A map of the M31 region at 1400 megacycles per second
Papers of John Daniel Kraus
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Extra reprint with comments & additions by Kraus
Kraus Publications Series
Papers of John Daniel Kraus, “A map of the M31 region at 1400 megacycles per second,” NRAO/AUI Archives, accessed June 9, 2023, https://www.nrao.edu/archives/items/show/3260.