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Precambrian Research|September 7, 2001
Learning to tell Neoproterozoic timeA H Knoll
American Journal of Science|January 1, 1990
Carbonate deposition during the late Proterozoic Era: an example from SpitsbergenA H Knoll, K Swett
Proceedings of the National Academy of Sciences of the United States of America|May 10, 2001
The biotic crisis and the future of evolutionN Myers, A H Knoll
Journal of Paleontology|March 1, 1996
Middle and Late Cambrian sponge spicules from Hunan, ChinaD Xiping, A H Knoll
Nature|April 23, 1992
Latest Proterozoic stratigraphy and Earth historyA H Knoll, M R Walter
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