@Article{cpd-5-2223-2009,
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 Discussions},
VOLUME = {5},
YEAR = {2009},
NUMBER = {5},
PAGES = {2223--2237},
URL = {http://www.clim-past-discuss.net/5/2223/2009/},
DOI = {10.5194/cpd-5-2223-2009}
}