Johnston, P., Stringer, R. & Santillo, D. (1996). The Tilting Balance. IN: One World: The Health and Survival of the Human Species in the 21st Century. Lanza, R., Ed., Health Press, Santa Fe: 199-209.
Johnston, P., Stringer, R. & Santillo, D. (1996). The Tilting Balance. IN: One World: The Health and Survival of the Human Species in the 21st Century. Lanza, R., Ed., Health Press, Santa Fe: 199-209.