@misc{indiciae0f167db54201, title = {Use of aerial survey and aerophotogrammetry methods in monitoring manatee populations. Florida Cooperative Fish and Wildlife Research Unit RWO No. 116 Final Report}, author = {Karl E. Miller and B.B. Ackerman and L.W. Lefebvre and Kari B. Clifton}, year = {1996}, url = {https://pubs.usgs.gov/publication/96204}, note = {Source identifier: 96204} }