| Toward constructivist research in environmental education A Robertson The Journal of Environmental Education 25 (2), 21-31, 1994 | 151 | 1994 |
| The feeding ecology of Cape vultures Gyps coprotheres in a stock-farming area AS Robertson, AF Boshoff Biological Conservation 35 (1), 63-86, 1986 | 46 | 1986 |
| A radio-tracking study of an adult Cape griffon vuhure Gyps coprotheres in the South-Western, Cape province PM Boshoff, AF*, Robertson, AS** & Norton South African Journal of Wildlife Research-24-month delayed open access 14 …, 1984 | 37 | 1984 |
| Copulations throughout breeding in a colonial Accipitrid vulture A Robertson Condor, 535-539, 1986 | 35 | 1986 |
| Eliciting students' understandings: Necessary steps in environmental education A Robertson Australian Journal of Environmental Education 9, 95-114, 1993 | 33 | 1993 |
| Observations on the post-fledging dependence period of Cape Vultures AS Robertson Ostrich 56 (1-3), 58-66, 1985 | 33 | 1985 |
| Lifting a corner of the research rug: a case for meta-interviews in qualitative studies A Clarke, A Robertson Teaching and Teacher Education 17 (7), 773-782, 2001 | 28 | 2001 |
| Notes on the breeding cycle of Cape Vultures (Gyps coprotheres) AS Robertson Raptor Research 20 (2), 51-60, 1986 | 19 | 1986 |
| Aspects of the population dynamics of cape vultures in the Cape Province AS Robertson Ostrich 55 (4), 196-206, 1984 | 17 | 1984 |
| The feeding ecology and breeding biology of a Cape vulture colony in the Southwestern Cape Province. AS Robertson | 14 | 1983 |
| Known-age Cape Vultures breeding in the wild A Robertson Ostrich 54 (3), 179-179, 1983 | 11 | 1983 |
| Engaging Students Eco-Philosophies in Research and Teaching A Robertson Canadian Journal of Environmental Education (CJEE) 3 (1), 171-188, 1998 | 10 | 1998 |
| Prey of giant eagle owls in the de Hoop nature reserve, Cape province, and some observations on hunting strategy G Avery, AS Robertson, NG Palmer, AJ Prins Ostrich 56 (1-3), 117-122, 1985 | 10 | 1985 |
| A conservation plan for the Cape Vulture colony at Potberg, De Hoop Nature Reserve, south-western Cape Province AF Boshoff, AS Robertson Bontebok 4, 25-31, 1985 | 9 | 1985 |
| Aspects of the biology of the Forest Buzzard NG Palmer, PM Norton, AS Robertson Ostrich 56 (1-3), 67-73, 1985 | 8 | 1985 |
| Student-teachers’ conceptualisations of environment and human-nature relationships AS Robertson University of British Columbia, 1994 | 7 | 1994 |
| Attacks by Black Eagles on vultures PJ Mundy, AS Robertson, J Komen, TG O’Connor Raptor Research 20 (2), 61-64, 1986 | 6 | 1986 |
| A discussion of the factors regulating breeding in the Cape Vulture Gyps corprotheres CJ Vernon, AS Robertson Vulture News 7, 10-13, 1982 | 5 | 1982 |
| Post-nestling mortality in Cape Vultures AF Boshoff, AS Robertson Ostrich 56 (1-3), 204-207, 1985 | 4 | 1985 |
| Environment conceptualised: A Study with student teachers A Robertson Thinking globally about mathematics and science education, 89-106, 1995 | 1 | 1995 |
