Horn, S.P., Johanson, E.N., Haberyan, K.A., Boehm, M.S., Johanson, J.L., Sánchez P., M. and Hernández V., M. 2018. Initial limnological observations at five small lakes in southern Pacific Costa Rica. UNED Research Journal. 10, 1 (Feb. 2018). DOI:https://doi.org/10.22458/urj.v10i1.2015.