1. Arthur, J. J., Leone, I. A., & Flower, F. B., 1981, Flooding and Landfill Gas Effects on Red and Sugar Maples, Jour. Environ. Oual., 10 (4), 431–433.
2. Brereton N.R. and Downing R.A. (1975), Some Applications of Thermal Infrared Linescan in Water Resources Studies, Water Services v79, pp 91–96.
3. Bretreton N.R. and Hall D.J. (1983), Groundwater Discharge Mapping at Altnabreac by Thermal Infrared Linescan Surveying, IGS Report FLPU 83–7, British Geological Survey, UK.
4. Burrough P.A. (1986), Principle of Geographical Information Systems for Land Resources Assessment, Clarendon Press Oxford.
5. Cairney, T, 1987, Reclaiming Contaminated Land, Blackie, 260 pp.