Heartwater : Past, Present and Future. Workshop (1986 : Kruger National Park, South Africa); Hurter, L.R.(Published by the Government Printer, Pretoria., 1987)
Heartwater : Past, Present and Future. Workshop (1986 : Kruger National Park, South Africa); Bigalke, R.D.(Published by the Government Printer, Pretoria., 1987)
Heartwater : Past, Present and Future. Workshop (1986 : Kruger National Park, South Africa); Malan, Letitia; Du Plessis, J.L.(Pretoria : Government Printer, 1987)
Heartwater : Past, Present and Future. Workshop (1986 : Kruger National Park, South Africa); Du Plessis, J.L.; Malan, Letitia(Published by the Government Printer, Pretoria., 1987)
Heartwater : Past, Present and Future. Workshop (1986 : Kruger National Park, South Africa); Du Plessis, J.L.; Camus, E.; Oberem, P.T.; Malan, Letitia(Published by the Government Printer, Pretoria., 1987)
Heartwater : Past, Present and Future. Workshop (1986 : Kruger National Park, South Africa); Vermeulen, N.M.J.(Published by the Government Printer, Pretoria., 1987)
Heartwater : Past, Present and Future. Workshop (1986 : Kruger National Park, South Africa); Oberem, P.T.; Bezuidenhout, J. Dürr(Published by the Government Printer, Pretoria., 1987)
Heartwater : Past, Present and Future. Workshop (1986 : Kruger National Park, South Africa); Schroder, J.(Published by the Government Printer, Pretoria., 1987)