Sources of C30 steroid biomarkers in Neoproterozoic-Cambrian rocks and oils.

["Love, Gordon D", "Zumberge, J Alex", "C\u00e1rdenas, Paco", "Sperling, Erik A", "Rohrssen, Megan", "Grosjean, Emmanuelle", "Grotzinger, John P", "Summons, Roger E"]

Nature ecology & evolution 2020