00357nam a22001097a 4500008004100000050002000041100002200061245007700083260004300160300002500203500001900228160804b        xxu||||| |||| 00| 0 eng d  aQC  5 .W67 1984  aWorld Books, Inc.  aPhysics Today:bThe World Book Encyclopedia of Science/cWorld Book, Inc  aChicago:bScott Fetzer Company,c1984.  a158p.:bill.;c28cm.  aIncludes index