1. Futher Conifers of the Pinaceae from the Wealden Formation of Belgium;Alvin,1960
2. History of the Coniferous Forests, California and Nevada;Axelrod,1976
3. Cenozoic history of some western American pines;Axelrod;Annals of the Missouri Botanical Garden,1986
4. Petrified wood of pine Pinuxylon chemrylensis sp. nov., from the Paleogene of Kamchatka;Blokhina;Paleontological Journal,1995
5. Drevesina sosnovykh;Budkevich,1961