Roy, J. N.
Outlines of physics - 3rd ed. - Calcutta New central Book Agency 1969 - xviii, 648p. illus.
Vol. 2
Physics
530 / ROY/1973
Outlines of physics - 3rd ed. - Calcutta New central Book Agency 1969 - xviii, 648p. illus.
Vol. 2
Physics
530 / ROY/1973