00843nam0 2200253 450 00000840420180619120517.020071022d1963----km-y0itay50------baengUSa-------001yySpace communicationsedited by A. V. BalakrishnanNew YorkMcGraw-Hill1963IX, 422 p.ill.24 cmUniversity of California engineering and sciences extension series2001University of California engineering and sciences extension seriesRadiotecnicaTelegrafia621.38420Balakrishnan,A. V.12508ITUNIPARTHENOPE20071022RICAUNIMARC000008404621.384/11216081PIST2007Space communications1204378UNIPARTHENOPE