530.41 SAXENA, B . S . FUNDAMENTALS OF SOLID STATE PHYSICS / / B . S . SAXENA , R . C . GUPTA & P . N . SAXENA. - MEERUT: : PRAGATI PRAKASHAN,, 1987. xii , 707 P.. * MATTER - SOLID STATE. * GUPTA, R . C .SAXENA, P . N . * Title