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035 _aUPN01000163817
049 _aUNE
080 _a347.788. 1 (100)=20 "1996" LAN
100 1 _aLang, Brian
245 1 4 _aThe Legal deposit of electronic publications/ by Brian Lang.
260 _aParis : UNESCO, 1996.
300 _a42 p.
440 0 _aCII-96/WS/10
690 _aDeposito legal- Microedicion
690 _aMicroedicion- Deposito legal
710 2 _aUNESCO
711 2 _aPGI. Programa General de InformaciĆ³n y UNISIST
905 _aUNESCO
999 _c135930
_d135930