.245
a	LIGHT calculations and measurements
b	: an introduction to the system of quantities and units in light-technology and to photometry
h	Book
.100
a	KEITZ, H.A.E.
.005
a	20071215155238
.260
a	London
b	Macmillan
c	1971
.084
a	621.322 KEI
.300
a	xviii, 430 hlm.: gamb., tab.
b	23 cm
c	xviii, 430 hlm.: gamb., tab.; 23 cm
.336
a	Book