Duncan, J. . A Text Book of Physics: For students of Science and Engineering / Textual Documents J. Duncan & S. G. Starling. - 2nd rev. ed. / - New York : Macmillan and co , 1948. - xii,316p. : ill ; 22 cm . - Part I- Index Subjects--Index Terms: Physics Sound G-Physics T/G-Physics T/G-Physics Dewey Class. No.: 534 / D 912 T