Fan W-Y, Fleming A, Robertson G, Uji A, van Hemert J, Singer M, Sagong M, Ip M, Sadda SR. Fractal analysis of retinal vasculature in normal subjects on ultra-wide field fluorescein angiography. Int J Ophtalmol. 2020 Jul 18;13(7):1109-14. doi: 10.18240/ijo.2020.07.15
Mansfield CA, Pattanayak SK, McDow W, MacDonald R, Halpin P. Shades of green: measuring the value of urban forests in the housing market. J Forest Econ. 2005 Dec;11(3):177-99. doi: 10.1016/j.jfe.2005.08.002