@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://journals.pan.pl/Content/98104/mainfile.pdf},
}