Keitz, H. A. E.
Light calculations and measurements; an introduction to the system of quantities and units in light-technology and to photometry. With a foreword by J. G. Holmes. [English translation by G. Ducloux. - Eindhoven, 1955] - 413 p. illus. 24 cm. - Philips technical library. Series "Light and lighting," 7 .
56058140
GB55-10196
Photometry.
QC391 / .K45 1955
Light calculations and measurements; an introduction to the system of quantities and units in light-technology and to photometry. With a foreword by J. G. Holmes. [English translation by G. Ducloux. - Eindhoven, 1955] - 413 p. illus. 24 cm. - Philips technical library. Series "Light and lighting," 7 .
56058140
GB55-10196
Photometry.
QC391 / .K45 1955