Application of graphs of maximum usable frequency to communication problems
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Published:1939-01
Issue:1
Volume:22
Page:81
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ISSN:0091-0635
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Container-title:Journal of Research of the National Bureau of Standards
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language:en
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Short-container-title:J. RES. NATL. BUR. STAN.
Author:
Smith N.,Kirby S.S.,Gilliland T.R.
Publisher
National Institute of Standards and Technology (NIST)