Water Wheel Magazine
SA Waterbulletin September 1991
SA Waterbulletin June 1991
SA Waterbulletin April 1991
SA Waterbulletin February 1991
SA Waterbulletin March 1990
SA Waterbulletin January 1990
SA Waterbulletin August 1989
SA Waterbulletin June 1989
SA Waterbulletin April 1989
SA Waterbulletin February 1989