6. MEXICO
6.001 Trevino F., J. C. 1983. Status of the Mexican wolf and grizzly bear in northern Mexico. Pages 78-80 in Wildlife and Range Research Needs in Northern Mexico and Southwestern U.S.; General Technical, WO-36. U.S. Department of Agriculture, Forest Service, Washington. MC 84-18472 WR 199:178 ZR 120(19):8292 6.002 Villa Ramirez, B. 1977. Major game and their habitats in the Chihuahuan Desert. Pages 155-161 in Transactions of the Symposium on the Biological Resources in the Chihuahua Desert Region, United States and Mexico (R. H. Wauer and D. H. Riskind, ed.). U. S. National Park Service, Washington. ZR 116(19):6792see also the following entries: 1.004, 7.006, 11.080, 17.003, 21.110