00550     2200193   4500001002100000008004100021035002000062245007300082260004700155300001900202020001400221084001600235082000800251650004100259990001400300990001400314990001400328990001400342INLIS000000000050027                                   eng    a0010-0617008919  aMcGraw-Hill encyclopedia of Science and technology. Volume 6 GAB-HYS  aNew York:bMcGraw-Hill Book Company,c1971  a..vol.c28 cm.  a070797986  a503 McG m 1  a503  aSCIENCE AND TECHNOLOGY-ENCYCLOPEDIAS  a058786212  a058786212  a058786212  a058786212