@misc{indiciaee7416e03a922, title = {Manatee response to boating activity in a thermal refuge}, author = {C.A. Buckingham and L.W. Lefebvre and J.M. Schaefer and H. I. Kochman}, year = {1999}, url = {https://pubs.usgs.gov/publication/70021474}, note = {Source identifier: 70021474} }