Asay, Amanda Karlene (2013). Mycorrhizal facilitation of kin recognition in interior Douglas-fir (Pseudotsuga menziesii var. glauca) (Thesis). Vancouver: University of British Columbia. doi:10.14288/1.0103374. hdl:2429/45400.
Asay, Amanda Karlene (2013). Mycorrhizal facilitation of kin recognition in interior Douglas-fir (Pseudotsuga menziesii var. glauca) (Thesis). Vancouver: University of British Columbia. doi:10.14288/1.0103374. hdl:2429/45400.
Peters, Jason (August 24, 2017). "Top of the world". The Prince George Citizen. Archived from the original on January 10, 2022. Retrieved January 10, 2022.
Peters, Jason (August 24, 2017). "Top of the world". The Prince George Citizen. Archived from the original on January 10, 2022. Retrieved January 10, 2022.