00434nam a22001457a 4500008004100000040005500041080002800096245003400124250001200158260004600170300001200216650001500228653001600243700002900259230510b        |||||||| |||| 00| 0 eng d  aNational Science LibrarycNational Science Library  aR 058.7(058.7)bM0;M6.2  aDirectory of directories 1987  a4th ed.  aMichigan: bGale Research Company, c1986  a1322p.   aDirectory   aIndustrial   aEthridge, James M (Ed.)