00389nam a2200109Ia 4500008004100000040003800041100004400079245006300123260004900186300001500235653002900250211215s9999    xx            000 0 und d  cJayakar Knowledge Resource Centre  aTheoretical Physics In The 20th Century 0aTheoretical physics in the 20th century: a memorial volume  bInterscience publishers Inc.aNew Yorkc1960  ax, 328p p.  aPhysics-memorial volumes