Construction and operation of the Cape Flats water reclamation plant and the survaillance of the reclaimed water quality
An evaluation of the methods used for the determination of orthophosphate and total phosphate in activated sludge extracts
Short communication: Induction behaviour of the tilapia Oreochromis mossambicus Peters (Pisces: Cichlidae) subjected to electronarcosis by various alternating or rectified currents