1. Boyle,G.M., E.P.Farell and T.Cummins (1997) Intensive Monitoring Network-Ireland. FOREM 2 Project, Forest Ecosystem Research Group, Report No: 18, Department of Environmental Resources Management, University College Dublin.
2. Calder, I.R. (1978) Transpiration observations from a spruce forest and comparison with prediction from an evaporation model. J. Hydrology, 38: 33–47.
3. Fritschen, L.J., J. Hsia, and P. Doraiswamy (1977) Evapotranspiration of Doughlas Fir determined using a weighing Lysimeter. Water Resources Res, 13: 145–148.
4. Gay, L.W., and L.J. Fritschen (1979) An energy budget analysis of water use by Salt cedar. Water Resources Res, 15: 1589–1592.
5. Hansen, G.K. (1974) Resistance to water flow in soil and plants, plant water status, stomatal resistance and transpiration of Italian ryegrass as influenced by transpiration demand and soil water depletion. Acta Agric. Scand., 24: 84–92.