Johnston, W.E., and D.E. Hansen. “Behavioral Characteristics of Purchasers of Remote Recreational Subdivision Parcels in Northern California”. ERDKUNDE 28, no. 3 (September 30, 1974): 231–237. Accessed December 4, 2024. https://journals-test.ulb.uni-bonn.de/index.php/erdkunde/article/view/1727.