Ebreo, A., Hershey, J. & Vining, J. (1999). Reducing solid waste: Linking recycling to environmentally responsible consumerism. Environment and Behavior, 31, 1, 107-135.

Kuhlemeier, H., van den Bergh, H. & Lagerweij, N. (1999). Environmental knowledge, attitudes, and behavior in Dutch secondary education. Journal of Environmental Education, 30, 2, 4-14.

Werner, C. M., Rhodes, M.U. & Partain, K. K. (1998). Designing effective instructional signs with schema theory: Case studies of polystyrene recycling. Environment and Behavior, 30, 5, 709-735.

Schultz, P. W. & Zelezny, L. C. (1998). Values and proenvironmental behavior: A five-country survey. Journal of Cross-Cultural Psychology, 29, 4, 540-558.

Thogersen, J. (1999). Spillover processes in the development of a sustainable consumption pattern. Journal of Economic Psychology, 20, 1, 53-81.

Brandon, G. & Lewis, A. (1999). Reducing household energy consumption: A qualitative and quantitative field study. Journal of Environmental Psychology, 19, 1, 75-85.

Ludwig, T. D., Gray, T. W. & Rowell, A. (1998). Increasing recycling in academic buildings: A systematic replication. Journal of Applied Behavior Analysis, 31, 4, 683-686.

Gerakis, A. (1998). Evaluating adult groundwater education. Journal of Environmental Education, 30, 1, 20-24.

Kaiser, F. G., Woelfing, S. & Fuhrer, U. (1999). Environmental attitude and ecological behaviour. Journal of Environmental Psychology, 19, 1, 1-19.

Bogner, F. X. (1998). The influence of short-term outdoor ecology education on long-term variables of environmental perspective. Journal of Environmental Education, 29, 4, 17-29.