00302pam a2200121 a 4500020001700000041000800017082001300025100002100038245006500059260003600124300000800160653001200168  a071666061Xc  aeng  a000bWOR  aWorld Book, Inc.  aYoung Scientist The Human Machine Vol - 8hTextual Documents  aChicagobWorld Book, Inc.c1992  a62.  aGeneral