00808nam0-22002891i-450-99000046006040332120081112112333.00-8359-1218-3000046006FED01000046006(Aleph)000046006FED0100004600620020821d1983----km-y0itay50------baenga-------001yyDatabase e data communications systemsa guide for managersMyles E. WalshReston, virginiaReston publishing company©1983271 p.ill.24 cmGestione dei database005.74Walsh,Myles E.ITUNINARICAUNIMARCBK99000046006040332110 I 446 DISDINELDINELUNINA