[1]
PUIA, I., SZABO, A.T. and ILLYES, G. 1981. Variability of the chlorophyll content in white clover (Trifolium repens L.). Notulae Botanicae Horti Agrobotanici Cluj-Napoca. 11, 1 (Aug. 1981), 9–15. DOI:https://doi.org/10.15835/nbha111141.