1. Identity and terpene composition of Honduras pines attacked by the bark beetle Dendroctonus frontalis (Scolytidae);Coyne;Turrialba,1974
2. Relationships and species hybridisation in the genus Pinus;Duffield;Z. Forstgenetik Forstpflanzenzüchtung,1952
3. The neutral diterpenes from pine wood oleoresin;Erdtman;Acta Chem. Scand.,1963