TY  - BOOK
AU  - Gurevich A V
AU  -  Tsedilina E E
TI  - Long distance propagation of HF radio waves
T2  - Physics and chemistry in space; 12
U1  - D65,43, M5 
PY  - 1985///
CY  - Berlin
PB  - Springer Verlag        
KW  -  Telecommunication
KW  - Communication
N1  - Bibliography 328-42p
ER  -