... NC:SAS Institute Inc, 2004.[48] SAS Institute Inc., SAS/ETS9.1.2. User’s Guide, Cary, NC: SASInstitute Inc., 2004.[49] SAS Institute Inc., SAS OnlineDoc9.1.2, Cary, NC: SAS InstituteInc., ... For. Sci. 64 (2007) 511–520 Available online at:c INRA, EDP Sciences, 2007 www.afs-journal.orgDOI: 10.1051/forest:2007028Original articleMerchantable volume system for pedunculate oak in ... merchantable volume of pedunculate oak (Quer cus robur L.) trees in Galicia, northwestern Spain. Accordingly, the purpose of the present study was to obtain equations for predicting merchantable volumes...