@misc{indiciaeb0b0f8b256f8, title = {The influence of social and endocrine factors on urine-marking by captive wolves (Canis lupus)}, author = {C. S. Asa and L.D. Mech and U.S. Seal and E.D. Plotka}, year = {1990}, doi = {10.1016/0018-506x(90)90038-y}, url = {https://pubs.usgs.gov/publication/5222497}, note = {Source identifier: 5222497} }