Παραπομπή APA

Butterfield, N. J. (2012). Does cement-induced sulfate limitation account for Burgess Shale-type preservation? National Academy of Sciences.

Παραπομπή Chicago Style

Butterfield, Nicholas J. Does Cement-induced Sulfate Limitation Account for Burgess Shale-type Preservation? National Academy of Sciences, 2012.

Παραπομπή MLA

Butterfield, Nicholas J. Does Cement-induced Sulfate Limitation Account for Burgess Shale-type Preservation? National Academy of Sciences, 2012.

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