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1995 |
Aerial surveys of manatees: a summary and progress report. In: T. J. O'Shea, B. B. Ackerman, & H. F. Percival (eds.), Population biology of the Florida manatee (q.v.).
Information & Technology Rept. (U.S. Dept. Interior, Natl. Biological Service) (vi + 289) 1: 13-33. 4 tabs. 7 figs. Aug. 1995.
–Abstr. in O'Shea et al. (1992: 14-15).
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