Effect of extractives on conferred and natural durability of Cupressus lusitanica heartwoodAhmed Mohareb, Peter Sirmah, Lyne Desharnais, Stéphane Dumarçay, Mathieu Pétrissans and Philippe GérardinAnn. For. Sci., 67 5 (2010) 504DOI: https://doi.org/10.1051/forest/2010006