Breen, J., S. Dosemagen, J. Warren, and M. Lippincott. “Mapping Grassroots: Geodata and the Structure of Community-Led Open Environmental Science”. ACME: An International Journal for Critical Geographies, Vol. 14, no. 3, Sept. 2015, pp. 849-73, https://acme-journal.org/index.php/acme/article/view/1236.