The air defence problem 1934-1940 : British and Soviet roads to radar compared /
Erickson, John,1929-2002,author.
Erickson, John,1929-2002,former owner.StEdNL
Erickson, Ljubica,former owner.StEdNL
University of Edinburgh,publisher.
"September, 1973."
John and Ljubica Erickson collection.
Radar
Radar
Air defences
Air defences