00483nam a22001337a 4500008004100000040005500041080002600096245010200122250001200224260006800236300000900304650002400313653001200337230331b        |||||||| |||| 00| 0 eng d  aNational Science LibrarycNational Science Library  aD 778.1(058.7)bJ5-;1  aDirectory of photocopying and microcopying servicesc/ International Federation for Documentation  a2nd ed.  aThe Hague: bInternational Federation for Documentation, c1973  a50p.  aInformation science  aMeeting