@article {53,
	title = {Contribution to the limnology of high montain lakes in Central America},
	journal = {Int. Revue Ges. Hydrobiologie},
	volume = {57},
	year = {1972},
	pages = {397-408},
	keywords = {CENTROPAGIDAE},
	author = {L{\"o}ffler, H.}
}
