P-1243
Keitz, Herman Adolf Emil
Light Calculations and Measurements : An intorduction to the system of quantities and units in light-technology and to photometry / Herman Adolf Emil Keitz ; With a foreword by J.G. Holmes. -- 1. Publ. -- [Eindhoven] : Philip's Technical Libr, 1955. -- 16, 413 s. : il. -- (Light and Lighting ; 7).
fotometrie. světlo. příručky
535.24. 543.48. 535-2/-9. 613.165. (035)