00354pam a2200145 a 4500 071666061X eng 000 WOR World Book, Inc. Young Scientist : Machines At Work Vol - 15 Textual Documents Chicago World Book, Inc. 1992 62. General 2624 75905 75905 0 0 0 0 Reference PCP PCP 1994-01-06 Lotus Learining Ltd 0 000 WOR PCP-BMT-372 2023-02-24 00:00:00 1 2023-02-24 BK