by Van Zyl, A.J
Published in Water science and technology (01.01.2007)

by Ackermann, E.R., Grobler, T.L., Kleynhans, W., Olivier, J.C., Salmon, B.P., van Zyl, A.J.
Published in Quaestiones mathematicae (01.09.2012)

by SMITH, H. J., VAN ZYL, A. J., CLAASSENS, A. S., SCHOEMAN, J. L., LAKER, M. C.
Published in South African geographical journal (2000)

by Van Zyl, A.J.
Published in Interim : Interdisciplinary Journal (01.01.2006)

by Jenkins, A.R, Van Zyl, A.J. (Cape Town Univ., Rondebosch (South Africa). Percy FitzPatrick Inst. of African Ornithology)
Published in Ostrich (01.10.2005)

by van Zyl, A.J., Kerres, J.A., Cui, W., Junginger, M.
Published in Journal of membrane science (24.12.1997)

by Van Zyl, A.J., Alberts, A.S.
Published in European journal of cancer (1990) (1993)

by Van Zyl, A.J. and Du Preez, C.C.
Published in South African journal of plant and soil (01.02.1997)

by Van Zyl, A.J. and Du Preez, C.C.
Published in South African journal of plant and soil (01.02.1997)

by Van Zyl A.J, Du Preez C.C
Published in South African journal of plant and soil (1997)

by van Zyl, A.J., Linkov, V.M.
Published in Journal of membrane science (17.09.1997)

by Van Zyl, A.J, Du Preez, C.C. (Orange Free State Univ., Bloemfontein (South Africa). Dept. of Soil Science)
Published in South African journal of plant and soil (01.02.1997)

by Van Zyl, J. & Meyer, A.J.
Published in African plant protection (01.08.2000)