00517nam a2200157 a 4500 20200107025318.0 090404s19uu xx 00 eng d Physics and mechanics. Singapore : Regency Pub. Group, 1993. (42) p. : ill. (part col.) World of science Includes index. Physics Juvenile literature Mechanics Juvenile literature OLOPSC 58583 58583 0 0 0 0 HSLRC HSLRC CIR 2020-01-07 0 QC 25 P48 1993 HS3586 2025-05-23 00:00:00 2020-01-07 BK