TY - RPRT TI - Nonlinear dynamics in manatee vocalizations AU - D.A. Mann AU - T. J. O'Shea AU - D.P. Nowacek PY - 2006 DO - 10.1111/j.1748-7692.2006.00036.x UR - https://pubs.usgs.gov/publication/70028318 ID - 70028318 ER -