@ARTICLE{Zawisza_E._500_2012, author={Zawisza, E. and Caballero, M. and Ruiz-Fernandez, C.}, number={Vol. 29}, journal={Studia Quaternaria}, howpublished={online}, year={2012}, publisher={Committee for Quaternary Research PAS}, publisher={Institute of Geological Sciences PAS}, title={500 years of ecological changes recorded in subfossil Cladocera in a high-altitude, tropical lake Lago de la Luna, central Mexico}, URL={http://sp.czasopisma.pan.pl/Content/98104/mainfile.pdf}, }