Rennhackkamp, W.M.H., Proc. CIE 16th Session (1967).
8.
Nagata, T., Trans. A.I.J., 185, 65 (1971).
9.
Kittler, R., Sunlight in buildings, 273, BouwcentrumRotterdam (1967).
10.
Kittler, R., Proc. symposium on environmental physics as applied to buildings in the tropics, 2 D. 1, CBRI, Roorkee (1969).
11.
Standardization of luminance distribution on clear skies, CIE Publ. 22, Paris (1973).
12.
Kittler, R., Ondrejicka, S., and Ilit, S., Private research report P 12-121-001-02-03/3, Institute of Construction and Architecture, Bratislava (1973).