@Article{cp-8-907-2012,
AUTHOR = {Yang, J. and Peltier, W. R. and Hu, Y.},
TITLE = {The initiation of modern soft and hard Snowball Earth climates in CCSM4},
JOURNAL = {Climate of the Past},
VOLUME = {8},
YEAR = {2012},
NUMBER = {3},
PAGES = {907--918},
URL = {https://cp.copernicus.org/articles/8/907/2012/},
DOI = {10.5194/cp-8-907-2012}
}