Operation of freshwater ecosystems: key to the sustainable management of water resources

by Bergkamp, Ger, Acreman, Mike, Córdoba, Rocío, Lahmann, Enrique
Published 2001

Morphometric and basic limnological data of Laguna Grande de Chirripó, Costa Rica

by Gocke, Klaus, Lahmann, Enrique, Rojas, Gilberto, Romero, Jorge
Published 1981