John R. Horner, Mark B. Goodwin & Nathan Myhrvold, 2011, Dinosaur Census Reveals Abundant Tyrannosaurus and Rare Ontogenetic Stages in the Upper Cretaceous Hell Creek Formation (Maastrichtian), Montana, USA
John R. Horner, Mark B. Goodwin & Nathan Myhrvold, 2011, Dinosaur Census Reveals Abundant Tyrannosaurus and Rare Ontogenetic Stages in the Upper Cretaceous Hell Creek Formation (Maastrichtian), Montana, USA, PLoS ONE (e 16574) 6, No. 2, pp. 1-9
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publication ID |
https://doi.org/10.1371/journal.pone.0016574 |
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link to original document |
https://doi.org/10.1371/journal.pone.0016574 |
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