L. Leffring

A comparative study of the black stem fungi on lucerne and red clover and the footrot fungus on pea

G. H. Boerema, M. Dorenbosch, L. Leffring, 1965, Netherlands Journal of Plant Pathology.

Influence of climatical conditions on growth and flower yield of Anthurium andreanum

L. Leffring, 1975 .

Mutation breeding of Kalanchoë

C. Broertjes, L. Leffring, 1972, Euphytica.

Flower production in Gerbera: I. Correlations between shoot, leaf and flower formation in seedlings

L. Leffring, 1973 .