1. Ambrust, D. V., Paulson, G. M., and Ellis, R., 1974, Physiological responses to wind by sandblast-damaged winter wheat plants, Agronomy Journal, 66: 421–423.
2. Baig, M. N., and Tranquillini, W., 1976, Studies on upper timberline: morphology and anatomy of Norway spruce (Picea abies) and stone pine (Pinus cembra) needles from various habitat conditions, Canadian Journal of Botany, 54: 1622–1632.
3. Baig, M. N., and Tranquillini, W., 1980, The effects of wind and temperature on cuticular transpiration of Picea abies and Pinus cembra and their significance in desiccation at the alpine treeline, Oecologia, 47: 252–256.
4. Benecke, U., and Nordmeyer, A. H., 1983, Carbon uptake and allocation by Nothofagus solandri var. cliffortioides and Pinus contorta ssp. contorta at montane and subalpine altitudes. In: Carbon uptake and allocation in subalpine ecosystems as a key to management, Waring, R. H., ed., Forest Research Laboratory, Oregon State University, Corvallis, Oregon.
5. Crawford, R. M. M., 1989, Studies in Plant Survival, Blackwell Scientific Publications, Oxford, 296 p.