H. Veltkamp

Simulation of dry matter production and distribution in cassava (Manihot esculenta Crantz).

J. Goudriaan, G. D. Bruijn, H. Gijzen, 1990 .

Physiological causes of yield variation in cassava (Manihot esculenta Crantz)

H. Veltkamp, 1985 .

Thin-layer chromatography on supports impregnated with neutral organophosphorus compounds.

U. Brinkman, H. Veltkamp, 1966, Journal of chromatography.

Annual Report for 1974

H. Veltkamp, B. Schut, 1975, Oryx.

ACTUAL SITUATION AND PROSPECT OF WALNUT PRODUCTION IN THE NETHERLANDS

H. Veltkamp, H. Blumink, 2005 .