T Bhima Sankaram G.S Kumar G Prasad, . (2002). Solid state Physocs. NULL: BS Publications.
T Bhima Sankaram G.S Kumar G Prasad, . 2002. Solid state Physocs. NULL: BS Publications.
T Bhima Sankaram G.S Kumar G Prasad, . Solid state Physocs. NULL: BS Publications. 2002.