TY  - BOOK
AU  - Kerr, Donald E
TI  - Propagation of short radio waves
SN  - 0863410995
AV  - TK 6553 Pro 
PY  - 1987///
CY  - London
PB  - Peregrinus
KW  - SHORTWAVE RADIO
KW  - RADIO WAVE PROPAGATION
ER  -