00297nam a2200121Ia 450000500170000000800410001702200140005808200200007210000170009224500300010926000240013965000120016320250502155320.0240126s9999    xx            000 0 und d  a0973-1458  aCentral Library  aMajumdar, S. 0aIndian Journal of Physics  bSpringeraNew Delhi  aPhysics