Meyer, Erwin, 1899-
Electro-acoustics, - London, G. Bell and sons ltd., 1939. - xi, 117 p. illus., xii pl., diagrs. 23 cm.
39031917
Electro-acoustics.
TK5981 / .M4
534.1 / MEE
Electro-acoustics, - London, G. Bell and sons ltd., 1939. - xi, 117 p. illus., xii pl., diagrs. 23 cm.
39031917
Electro-acoustics.
TK5981 / .M4
534.1 / MEE
