00799nam0 2200265 450 00002436220090312140916.020090312d1947----km-y0itay50------baengUSa-------001yyRadar beaconsedited by Arthur RobertsNew YorkMcGraw-Hill1947XX, 490 p.ill.25 cmRadiation laboratory series2001Radiation laboratory seriesRadar beacons59873Radar621.38421Ingegneria delle comunicazioni. Radio e radarRoberts,ArthurITUNIPARTHENOPE20090312RICAUNIMARC000024362S 621.384/15S C 5DSA2009Radar beacons59873UNIPARTHENOPE