Modelling site quality and individual-tree growth in pure and mixed Pinus brutia stands in north-east Greece Marc PalahĂ, Timo Pukkala, Dimitrios Kasimiadis, Konstantinos Poirazidis and Aristotelis C. PapageorgiouAnn. For. Sci., 65 5 (2008) 501DOI: https://doi.org/10.1051/forest:2008022