00323nam a22000977a 4500008004100000040005500041080002600096245001900122260007400141300001000215230315b        |||||||| |||| 00| 0 eng d  aNational Science LibrarycNational Science Library  aD 061(100)(058.7)]:02  aDirectory 1974  aNetherland: bInternational Federation of Library Association, c1974  a106p.