1. The perception of water quality as a factor in consumer attitudes and space preferences in outdoor recreation;Barker,1968
2. Biogeochemical cycling in a forested ecosystem;Bormann,1977
3. Agriculture under the CAP: a geography;Bowler,1985
4. Proceedings of the International Agency on Cancer,1972
5. The structure of support for the environmental movement, 1968–1970;Buttel;Rural Sociology,1974