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); Bezuidenhout, J. Dürr(Published by the Government Printer, Pretoria., 1987)
Heartwater : Past, Present and Future. Workshop (1986 : Kruger National Park, South Africa); Camus, E.; Barre, N.(Published by the Government Printer, Pretoria., 1987)
Heartwater : Past, Present and Future. Workshop (1986 : Kruger National Park, South Africa); Gruss, B.(Published by the Government Printer, Pretoria., 1987)
Heartwater : Past, Present and Future. Workshop (1986 : Kruger National Park, South Africa); MacIvor, K.M. de F.; Petney, T.N.; De Vos, Valerius(Published by the Government Printer, Pretoria., 1987)
Heartwater : Past, Present and Future. Workshop (1986 : Kruger National Park, South Africa); Walker, Jane B.; Olwage, A.(Published by the Government Printer, Pretoria., 1987)
Heartwater : Past, Present and Future. Workshop (1986 : Kruger National Park, South Africa); Stewart, C.G.(Published by the Government Printer, Pretoria., 1987)
Heartwater : Past, Present and Future. Workshop (1986 : Kruger National Park, South Africa); Van der Merwe, Lente(Published by the Government Printer, Pretoria., 1987)
Heartwater : Past, Present and Future. Workshop (1986 : Kruger National Park, South Africa); Heyne, Heloise; Elliott, E.G.R.; Bezuidenhout, J. Dürr(Published by the Government Printer, Pretoria., 1987)