Light /
Ditchburn, R. W.
Light / by R.W. Ditchburn. - 2d ed. - London : Blackie & Son, c1963 [Reprint 1964,1967]. - ill. ; 22 cm.
Includes bibliographies & Index.
Vol. 1 , Chapter I-XII -- V. 2, Chapter XIII-XX
Light.
535 / DIL 1967
Light / by R.W. Ditchburn. - 2d ed. - London : Blackie & Son, c1963 [Reprint 1964,1967]. - ill. ; 22 cm.
Includes bibliographies & Index.
Vol. 1 , Chapter I-XII -- V. 2, Chapter XIII-XX
Light.
535 / DIL 1967