00524nam a2200169 a 4500008004100000020001500041050001400056100001700070245009300087250001200180260004500192300003200237350000900269650001800278650003800296700002000334120416s1987    ||||||||||||||||| ||    u  a0070792925  aQ 121 Mac  a[and others]10aMcGraw-Hill encyclopedia of science and technology. (6th ed.)cedited by Sybil P. Parker  a6th ed.  aNew YorkbMcGraw-Hill Book Companyc1987  axiv, variant pagings : ill.  a0.00 7aSCIENCE2fast  aSCIENCE, TECHNOLOGY--ENCYCLOPEDIA  aParker, Sybil P