00339nam a22001337a 4500008004100000020001800041100001700059245004000076250001200116260002400128300001500152500001900167650001900186221025b           ||||| |||| 00| 0 eng d  a9780198520115  aDirac P.A.M.  aThe Principles of quantum mechanics  a4th ed.  aNew yorkbOXPc1958  axii, 314p.  aincludes index  aQuantum theory