007140000a22001930004500 AR 00564 International centre for manatee research: report of a Workshop neid 7-13 february 1974 Georgetown. Guyana South America Mamíferos acuáticos 93274 Especies en extinción 4653 Contaminación del agua 93620 Guyana 92749 Trichechus Trichechus manatus Inglés International Development Research 93621 National Academy of Sciences 93622 National Science Research Council 93623 ARTICULO National Science Research Council 216 1-33 1980? 9656 9656 0 0 0 1 HEMEROTECA Bogota Bogota 2015-02-27 Muñoz Saba, Yaneth Fuera de circulación 0 AR 00564 010873 2015-03-25 00:00:00 1 2015-03-25 Donación ARTICULO