00350nam a22001097a 4500008004100000040005500041080002600096245001900122260007500141300001000216650001400226230315b        |||||||| |||| 00| 0 eng d  aNational Science LibrarycNational Science Library  aD 061(100)(058.7)]:02  aDirectory 1975  aNetherland: bInternational Federation of Library Associations, c1975  a129p.  aDirectory