2025-07-012025-07-011971https://repositorio.sibdi.ucr.ac.cr/handle/123456789/25165578.071.5 T856tenBIOLOGIA TROPICALCIENCIAS NATURALESCOSTA RICATROPICOSECOLOGIATropical biology :an ecological approach OTS 71-1 (part II), February-March, 1971Book