TY  - BOOK
AU  - Kroge, Harry von
TI  - GEMA : birthplace of German radar and sonar
SN  - 9780750307321
SN  - 40736
U1  - 621.38480943 KRO 
PY  - 2000///
CY  - Bristol, [England] ; Philadelphia, PA
PB  - Institute of Physics Pub
KW  - Gesellschaft für Elektroakustische und Mechanische Apparate
KW  - Radar - Germany - History
KW  - Radar - Military applications - Germany
KW  - Sonar
N1  - Includes bibliographical references and index
ER  -