@Article{esd-7-313-2016,
AUTHOR = {Williamson, M. S. and Bathiany, S. and Lenton, T. M.},
TITLE = {Early warning signals of tipping points in \hack{\newline}periodically forced systems},
JOURNAL = {Earth System Dynamics},
VOLUME = {7},
YEAR = {2016},
NUMBER = {2},
PAGES = {313--326},
URL = {https://esd.copernicus.org/articles/7/313/2016/},
DOI = {10.5194/esd-7-313-2016}
}