00501nam a22001934a 45000010005000000350020000050030009000250050017000340080041000510400035000920410008001270440008001351000023001432450055001662500012002212640040002333000018002736530016002916422 a(Koha2011)42077AR-ReUNN20260702133152.0240315s1970 enk eng d aAR-ReUNNbspacAR-ReUNNeaacr20 aeng aenk1 aWilliams, Colin H.10aGuide to European sources of technical information a3th ed. 1aLondon : bFrancis Hodgson, c1970. a309 páginas aDirectorios