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jstor.org
Jensen, James A. New Brachiosaur Material from the Late Jurassic of Utah and Colorado. The Great Basin Naturalist. 1987, 47 (4): 592–608. ISSN 0017-3614. JSTOR 41712373.
Jensen, James A. New Brachiosaur Material from the Late Jurassic of Utah and Colorado. The Great Basin Naturalist. 1987, 47 (4): 592–608. ISSN 0017-3614. JSTOR 41712373.