Joshi, . Structures of Atoms and Crystals / Textual Documents Joshi. - 1st ed. / - Meerut : Pragati Prakasan , 1969. - iii, 79p. : ill. ; 22cm . Subjects--Index Terms: Physics Atoms Crystals Atomic Physics Nuclear Physics PG-Physics Dewey Class. No.: 539.8 / J 8 St