@misc{indiciae67b5115c0fdf, title = {Habitat characteristics of polar bear terrestrial maternal den sites in northern Alaska}, author = {George M. Durner and Steven C. Amstrup and Anthony S. Fischbach}, year = {2003}, doi = {10.14430/arctic602}, url = {https://pubs.usgs.gov/publication/70006980}, note = {Source identifier: 70006980} }