Fink, D., T. Damoulas, N. E. Bruns, F. A. La Sorte , W. M. Hochachka , C. P. Gomes, and S. Kelling. “Crowdsourcing Meets Ecology: Hemisphere-Wide Spatiotemporal Species Distribution Models”. AI Magazine, Vol. 35, no. 2, June 2014, pp. 19-30, doi:10.1609/aimag.v35i2.2533.