TY  - BOOK
AU  - Green,D.C.(Derek Charles)
TI  - Radio systems III: a textbook covering the Level III syllabus of the Technician Education Council 
SN  - 0273011340
PY  - 1979///
CY  - London
PB  - Pitman Pub.
KW  - Radio
N1  - With numerical answers to exercises; Index
ER  -