00534nam a2200181Ia 4500003000400000005001700004008004100021020001800062040003800080050001600118082002400134100003000158245003500188250000800223260008000231300002900311653001200340OSt20250407155644.0211230s9999    xx            000 0 und d  a1-56396-314-0  cJayakar Knowledge Resource Centre  aCv:N bM5.1  223a530.09bBRO.L.1  aTwentieth Century Physics 0aTwentieth century physics: v 1  a1st  bInstitute of Physics and American Institute of Physics PressaBristolc1995  axviii,634,A6,S61,N86p p.  aPhysics