Water Wheel Magazine
SA Waterbulletin December 1988
SA Waterbulletin October 1988
SA Waterbulletin August 1988
SA Waterbulletin June 1988
SA Waterbulletin April 1988
SA Waterbulletin February 1988
SA Waterbulletin December 1987
SA Waterbulletin October 1987
SA Waterbulletin June 1987
SA Waterbulletin April 1987