COLLINS, A. FREDERICK.
The radio amateur's handbook. 5th ed. rev. by George C. Baxter Rowe.
COLLINS, A. FREDERICK. The radio amateur's handbook. 5th ed. rev. by George C. Baxter Rowe. © 16Sep27; A1007023. Thomas Y. Crowell Co. (PWH); 8Mar55; R145482.
Thomas Y. Crowell Co.|PWH