Development and application of cost-effective methods for biological monitoring of rivers in Costa Rica : final report 1997 - European Community; Astorga, Y.; Castillo, L.; Coto Campos, Juana María; Pauw, N.De; Persoone, G. ([Heredia] : [Universidad Nacional, C.R.], 1997)
Keywords: MONITOREO BIOLÓGICO; RIO TEMPISQUE (COSTA RICA); RIOS; COSTA RICA; CONTAMINACION DEL AGUA