HF sky-wave measurements and predictions /
L.L. Proctor ... [et al.].
APA Citation
Proctor, L. L., Institute for Telecommunication Sciences. (1970). HF sky-wave measurements and predictions. Boulder, Colo.: U.S. Dept. of Commerce, Environmental Science Services Administration, Institute for Telecommunication Sciences .
MLA Citation
Proctor, L. L, and Institute for Telecommunication Sciences. HF Sky-wave Measurements And Predictions. Boulder, Colo.: U.S. Dept. of Commerce, Environmental Science Services Administration, Institute for Telecommunication Sciences , 1970.
Warning: These citations may not always be complete (especially for serials).