Longley, A. G. <br/><br/>
Prediction of tropospheric radio transmission loss over irregular terrain :  a computer method / 
A.G. Longley, P.L. Rice. 
 - Boulder, Colo .:  Institute for Telecommunication Sciences,  1968. 
 - 1v. (various pagings) ;  27cm. 
 - ESSA technical report ERL79-ITS67 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Radio--Transmitters and transmission.