TEMOLTZIN-LORANCA, Yunuén; VELEZ, María Isabel; MORENO, Enrique  and  ESCOBAR, Jaime. Late Holocene environmental change in Lake Boquete and its watershed: human or natural causes?. Bol. Soc. Geol. Mex [online]. 2018, vol.70, n.1, pp.121-131. ISSN 1405-3322.