Berendsen, P. (1993). Petrography and correlation of Precambrian clastic sedimentary rocks associated with the Midcontinent Rift System. [Washington, DC]: United States Gov. Print. Off.

Petrography and correlation of Precambrian clastic sedimentary rocks associated with the Midcontinent Rift System / by Pieter Berendsen and Andrzej Barczuk . — [Washington, DC] : United States Gov. Print. Off, 1993. — IV, 20 S.; Ill., graph. Darst. — (Strategic and critical minerals in the midcontinent region, United States ; E)

Berendsen, Pieter. Petrography and Correlation of Precambrian Clastic Sedimentary Rocks Associated With the Midcontinent Rift System.[Washington, DC]: United States Gov. Print. Off, 1993.