00447nam a22001337a 4500008004100000040005500041080002600096245008400122260004600206300001100252650002000263653001300283653001700296230309b        |||||||| |||| 00| 0 eng d  aNational Science LibrarycNational Science Library  aD 025.3:05:006.35bL7  aISSN-Key title register:bNational serials data programc/ Library of congress   aWashington: bLibrary of congress, c1977  a680p.   aLibrary science  aSerials   aData program