Barton, Arthur W
A text book on light / Arthur W Barton. - London : Longmans, 1939. - 426 p. ; 22 cm.
Includes index.
15 15
Light.
535 / B285t
A text book on light / Arthur W Barton. - London : Longmans, 1939. - 426 p. ; 22 cm.
Includes index.
15 15
Light.
535 / B285t