TY  - BOOK
AU  - Maslin,Nicholas M.
TI  - HF communications: a systems approach 
SN  - 0273026755
PY  - 1987///
CY  - London
PB  - Pitman
KW  - Shortwave radio
KW  - Telecommunication systems
N1  - Includes index; Bibliography: p. 235-240
ER  -