@misc{indiciaea56cfefde65c, title = {Mapping socio-environmentally vulnerable populations access and exposure to ecosystem services at the U.S.-Mexico borderlands}, author = {Laura M. Norman and Miguel L. Villarreal and Francisco Lara-Valencia and Yongping Yuan and Wenming Nie and Sylvia Wilson and Gladys Amaya and Rachel Sleeter}, year = {2012}, doi = {10.1016/j.apgeog.2012.01.006}, url = {https://pubs.usgs.gov/publication/70007202}, note = {Source identifier: 70007202} }