by De la Rey, PA, Taylor, JC, Laas, A, Van Rensburg, L, Vosloo, A
Published in Water S. A. (01.07.2004)

by Van Rensburg, L., Vosloo, A., De la Rey, P.A., Roux, H.
Published in Water S. A. (01.01.2008)

by Van Rensburg, L., Vosloo, A., De la Rey, P.A.
Published in Water S. A. (01.01.2008)

by Taylor, J.C, De la Rey, P.A, Van Rensburg, L.(North-West Univ., Potchefstroom (South Africa). School of Environmental Science and Development)
Published in African journal of aquatic science