Author:

Tappan,H.;Loeblich,A.R.,Jr.

Year:

1973

Title:

Smaller protistan evidence and explanation of the Permian-Triassic crisis. (In: The Permian and Triassic systems and their mutual boundary)

Reference:

Tappan,H. et al. (1973) Smaller protistan evidence and explanation of the Permian-Triassic crisis. (In: The Permian and Triassic systems and their mutual boundary) Canadian Society of Petroleum Geologists,Memoir # 2 P. 465- 480

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