00843nam0 2200265 450 00001216620080530163632.020080530d1962----km-y0itay50------baengNLUSy-------001yyMonograph on ionospheric radio13th General Assembly of URSI, London, September 1960edited by W. J. G. BeynonAmsterdam ; New YorkElsevier1962VI, 264 p.24 cmURSI monographs2001URSI monographsIonosfera50519Beynon,W. J. G.International scientific radio union631387ITUNIPARTHENOPE20080530RICAUNIMARC000012166505/10115354NAVA1Monograph on ionospheric radio1203091UNIPARTHENOPE00901nam0-22003011i-450-99000002280040332120041008085126.0000002280FED01000002280(Aleph)000002280FED0100000228020020821d1954----km-y0itay50------baitaa---a---001yyDifferential equations in engineering problemsMario G. Salvadori, Ralph J. SchwarzNew YorkPrentice-Hall1954XII, 432 p.ill.22 cmEquazioni differenzialiProblemi515Salvadori,Mario George1784Schwarz,Ralph J.ITUNINARICAUNIMARCBK99000002280040332113 K 61 2120750FINBCFINBCDifferential equations in engineering problems106942UNINA