TY  - BOOK
AU  - Alʹpert,I︠A︡L.
TI  - Radio wave propagation and the ionosphere
SN  - 0306171414 (v. 1)
U1  - 621.38411 
PY  - 1963///
CY  - New York
PB  - Consultants Bureau
KW  - Ionospheric radio wave propagation
N1  - Translation of Rasprostranenie ėlektromagnitnykh voln i ionosfera; includes Bibliography
ER  -