Oak forest carbon and water simulations: model intercomparisons and evaluations against independent data - Hanson, P.J; Amthor, J.S; Wullschleger, S.D; Wilson, K.B; Grant, R.F; Hartley, A; Hui, D; Hunt, E.R. Jr; Johnson, D.W; Kimball, J.S (Ecological monographs, 2004)