00595nam a2200217 a 450000100060000000300080000600500170001400800410003103500190007204000320009104100080012308200220013110000290015324500400018226000490022230000350027149000190030650000190032565000130034483000200035752008BD-RjUL20211209075736.0160905s1964    nyua          001 0 eng    a(BD-RjUL)52128  aDLCcDLCdMYGdBD-RjULbeng  aeng  223a530bPAC 19641 aPark, David,d1919-2012.10aContemporary physics /cDavid Park.  aNew York :bHarcourt, Brace & World, cc1964  aviii, 175 p. :bill. ;c21 cm.1 aHarbinger book  aIncludes index 0aPhysics. 0aHarbinger book.