by Hennig, H F
Published in Environmental health perspectives (01.03.1986)

by Hennig, HF-KO
Year of Publication 01.08.1985

by Shannon, LV, Hennig, HF-KO, Shillington, F A, Bartels, A, Swart, D H
Published in Transactions of the Royal Society of South Africa (01.01.1991)

by Taljaard, S., Eagle, G.A. & Hennig, H.F.-K.O.
Published in Water S. A. (01.07.1986)

by Hennig, H F, Fricke, A H, Greenwood, P J, Eagle, G A
Published in Environmental monitoring and assessment (01.12.1982)

by Hennig, H F, Eagle, G A, Fielder, L, Fricke, A H, Gledhill, W J, Greenwood, P J, Orren, M J
Published in Environmental monitoring and assessment (01.03.1983)

by Le Clus, F., Agenbag, J. J., Hennig, H. F-K. O., Roberts, M. J., Gründlingh, M. L., Sims, P. F., Struthers, M. J.
Published in South African journal of marine science (01.06.1998)

by Orren, M. J., Eagle, G. A., Fricke, W. J., Greenwood, P. J. & O-Hennig, H. F. K.
Published in Water S. A. (01.01.1981)