00449nam a22001577a 4500008004100000020001800041050002000059100001900079245004100098250001200139260004100151300003300192500001900225504003500244650001200279150722b        xxu||||| |||| 00| 0 eng d  a9780673398475  aQC 23 .H56 1989  aHewitt, Paul G  aConceptual Physics/cPaul G. Hewitt.  a6th ed.  aU.S.A.:bthe compage company,c1989.  axix,728p.:bill.(some col.);  aincludes index  aincludes bibliographic details  aPhysics