TY  - BOOK
AU  - Bremmer,H.
TI  - Terrestrial radio waves: theory of propagation 
U1  - 537 16
PY  - 1949/// [reprint 1962]
CY  - New York
PB  - Elsevier Pub. Co. [distributor: Elsevier Book Co.]
KW  - Radio waves
KW  - Geomagnetism
N1  - Bibliographical reference and index
ER  -