Kittler R, Ondrejicka S, Tino J.Basis of the calculation methods of illumination from area sources of light. (In Slovak) Final Research Report IX-3.4.3.1, Institute of Construction and Architecture, Bratislava1962.
2.
Kittler R, Ondrejicka S.Exact determination of the Daylight (Sky Component) from rectangular sloping window apertures with a `CIE Overcast Sky’. IES Monograph No. 6B, IESLondon1962.
3.
Kittler R, Ondrejicka S. Allgemeine Formel fur die Ermittlung der Beleuchtungsstärke von zerstreut strahlenden Recheckflächen. Lichttechnik 1963; 15(9).
4.
Kittler R. Discussion of the E-3.2 Report. Compte Rendu CIE, Vol. B, p. 382, Publ. CIE No. 11B, 1964.