Trapp, S.; Croteau, R. (2001). "Defensive Biosynthesis of Resin in Conifers". Annual Review of Plant Physiology and Plant Molecular Biology. 52: 689–724. doi:10.1146/annurev.arplant.52.1.689. PMID11337413.
Baldwin, D.; Loeblich, V.; Lawrence, R. (1958). "Acidic Composition of Oleoresins and Rosins". Ind. Eng. Chem. Chem. Eng. Data Series. 3 (2): 342–346. doi:10.1021/i460004a036.
LaFever, R. E.; Vogel, B. S.; Croteau, R. (1994). "Diterpenoid resin acid biosynthesis in conifers: enzymatic cyclization of geranylgeranyl pyrophosphate to abietadiene, the precursor of abietic acid". Arch Biochem Biophys. 313 (1): 139–149. doi:10.1006/abbi.1994.1370. PMID8053674.
Trapp, S.; Croteau, R. (2001). "Defensive Biosynthesis of Resin in Conifers". Annual Review of Plant Physiology and Plant Molecular Biology. 52: 689–724. doi:10.1146/annurev.arplant.52.1.689. PMID11337413.
LaFever, R. E.; Vogel, B. S.; Croteau, R. (1994). "Diterpenoid resin acid biosynthesis in conifers: enzymatic cyclization of geranylgeranyl pyrophosphate to abietadiene, the precursor of abietic acid". Arch Biochem Biophys. 313 (1): 139–149. doi:10.1006/abbi.1994.1370. PMID8053674.