Die gehalte van slyk uit 'n denitrifiserende geaktiveerde slyk-stelsel
(1980)
Proefskrif (M. Ing.) -- Universiteit van Stellenbosch, 1980.
Full text to be digitised and attached to bibliographic record.
Thesis
Proefskrif (M. Ing.) -- Universiteit van Stellenbosch, 1980.
Full text to be digitised and attached to bibliographic record.
Thesis