00255nam a2200097 a 450000500170000008200200001710000190003724500590005626000260011530000160014120251203092013.0  a530.41,bD, kac  aKachhava, C.M.  aSolid state physics & applications, C.M. Kachhava, eng  aJaipur, Raj, Inc1996  a239p.c20cm