@article {266646, title = {Biologically induced initiation of Neoproterozoic snowball-Earth events}, journal = {Proceedings of the National Academy of Science}, volume = {108}, number = {37}, year = {2011}, note = { [[{"fid":"3894398","view_mode":"default","type":"media","attributes":{"height":"100","width":"100","class":"wysiwyg-placeholder media-element file-default"}}]] [[{"fid":"3894400","view_mode":"default","type":"media","attributes":{"height":"100","width":"100","class":"wysiwyg-placeholder media-element file-default"}}]] }, pages = {15091-15096}, author = {Tziperman, E. and Halevy, I. and Johnston, D. T. and Knoll, A.H. and Schrag, D.P.} }