Magnetic polarity stratigraphy and Mammalian fauna of the Deseadan (late Oligocene-early Miocene) Salla Beds of Northern Bolivia
B. J. MacFadden,
K. E. Campbell,
R. C. Cifelli,
O. Siles,
N. M. Johnson,
C. W. Naeser, and
P. K. Zeitler
1985
Article
Journal of Geology
93(3):223-250
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