International centre for manatee research. Report fo a workshop held 7-13th February, 1974. co-sponsors : National Science Research Council (Guyana), National Academy of Sciences (USA) [and] International Development Research Centre (Canada). - Georgetown, National Science Research Council, 1974. - iv, 34p.

Summary in Portuguese, spanish and french.
National Science research Council of Guyana

QL737 .S63 / Int