Nagy L. (1970): Angaben zu den Strahlungsverhältnissen des Waldes. Acta Climatologica, Szeged, 9: 49-58.

The paper deals with the amount of short-wave global radiation arriving on levels of different height and on the upper limit of the foliage. Observations were carried out in oak and acacia woods in all four seasons in 1967-1968 and were continued in all phenophases of the vegetation period.