Sylvania project ... report.
|Corporate Author:||Pennsylvania State University.|
University Park [etc.].
Ionospheric radio wave propagation.
Ionosphere > Ionosphere / Research.
Research conducted under an agreement between Sylvania Electric Products, inc. and the Pennsylvania State University.
No. 1-3 called Quarterly summary report; no. 4, Final report.
4 v. :
diagrs., tables ;
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|Limited (search only)no.1-4 1954/55||Pennsylvania State University|