Light calculations and measurements : an introduction to the systems of qyantities and units in light-technology and to photometry /
Keitz, H. A. E.
Light calculations and measurements : an introduction to the systems of qyantities and units in light-technology and to photometry / Keitz, H. A. E.
621.37 K526L
Light calculations and measurements : an introduction to the systems of qyantities and units in light-technology and to photometry / Keitz, H. A. E.
621.37 K526L