00520nam a2200193 a 450000500170000002000150001708200130003210000230004511000160006824500200008426000370010430000210014169000300016270000150019296400160020799700190022399900170024295200670025920251203110524.0  a8178000067  a621bSAN  aSankaram, T. Bhima  aKumar, G.S.  aApplied physics  aHyderabadbBS Publicationsc2000  a423p.c24 cm. PB  aApplied Physics - A study  aPrasad, G.  bcdefg_  a110134 LIBSC C  c93062d93062  00104070aPUbPUd2004-12-02g156.00l0o621 SANp110134yBK