TY  - BOOK
ED  - United States.
TI  - Frequency management principles, spectrum engineering measurements
PY  - 1969///]
CY  - [Washington, D.C.
KW  - Radio frequency
KW  - Handbooks, manuals, etc
N1  - Handbook; May 29, 1969; Cover title; 4to; [Issued with perforations]; Distribution made by issuing office; CRDP Program Historic Shelflist record
ER  -