Dundas SJ, von Haefen RH, Mansfield C. Recreation costs of endangered species protection: evidence from Cape Hatteras National Seashore. Marine Resource Economics. 2018 Jan;33(1):1-25. doi: 10.1086/694752
Samsell B, Moore M, Bertasi G, Spinato S, Bernardello F, Rebaudi A, Sfasciotti GL, Powers R. Are bone allografts safe and effective for today's dental practitioner? Dentistry. 2014 Nov 3;4(9):1000260. doi: 10.4172/2161-1122.1000260
Myers KH, Parsons GR, Edwards PET. Measuring the recreational use value of migratory shorebirds on the Delaware Bay. Marine Resource Economics. 2010 Apr 23;25(3):247-64.