Foliar resorption in Quercus petraea subsp. iberica and Arbutus andrachne along an elevational gradientDuygu Kilic, Hamdi Güray Kutbay, Tuğba Ozbucak and Rena HuseyinovaAnn. For. Sci., 67 2 (2010) 213DOI: https://doi.org/10.1051/forest/2009106