by Van der Groen, G, Beelaert, G, Demets, P, Kestens, L, Van Overmeir, C, Wery, M
Published in Annales de la Societe belge de medecine tropicale (01.03.1988)

by Heyde, H. van der (University of Ghent, Belgium.), Mets, J.P. de, Henderickx, H, Debruyckere, M
Published in Transactions of the ASAE (01.03.1995)

by Van Der Heyde, H., De Mets, J.P., Porreye, L., Henderickx, H., Calus, A., Bekaert, H., Buysse, F.
Published in Livestock production science (1989)