@misc{indiciae66fa9a611213, title = {Copper deficiency in Tule Elk at Point Reyes, California}, author = {Peter J.P. Gogan and David A. Jessup and Mark Akeson}, year = {1989}, doi = {10.2307/3899480}, url = {https://pubs.usgs.gov/publication/70123141}, note = {Source identifier: 70123141} }