@Article{cp-6-77-2010,
AUTHOR = {Livina, V. N. and Kwasniok, F. and Lenton, T. M.},
TITLE = {Potential analysis reveals changing number of climate states during  the last 60 kyr},
JOURNAL = {Climate of the Past},
VOLUME = {6},
YEAR = {2010},
NUMBER = {1},
PAGES = {77--82},
URL = {http://www.clim-past.net/6/77/2010/},
DOI = {10.5194/cp-6-77-2010}
}