The rock art sites of Kakadu national park : some preliminary research findings for their conservation and management 1983 Gillespie, D. |
Environmental strategy and action : the challenge of the World Conservation Strategy with reference to environmental planning and human settlements in Canada 1981 Jacobs, Peter |
Advances in animal conservation : the proceedings of a symposium held at the Zoological Society of London on 31st May and 1st June 1984 1985 Hearn, J. P. | Hodges, J. K. | Halle, Mark |
A survey of the montane forest avifauna of the Loja Province, southern Ecuador 1991 Bloch, Hanne | Poulsen, Michael Koie | Rahbek, Carsten | Rasmussen, Jan Fischer |