Van Waterschoot van der Gracht, W. (1928). Theory of continental drift: A symp. on the origin and movement of land masses both inter-continental and intra-continental, as proposed by Alfred Wegener. Am. Assn. of Petroleum Geol.; Murby.
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Cita Chicago (17th ed.)
Van Waterschoot van der Gracht, W.A.J.M. Theory of Continental Drift: A Symp. on the Origin and Movement of Land Masses Both Inter-continental and Intra-continental, as Proposed by Alfred Wegener. Tulsa; London: Am. Assn. of Petroleum Geol.; Murby, 1928.
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Cita MLA (9th ed.)
Van Waterschoot van der Gracht, W.A.J.M. Theory of Continental Drift: A Symp. on the Origin and Movement of Land Masses Both Inter-continental and Intra-continental, as Proposed by Alfred Wegener. Am. Assn. of Petroleum Geol.; Murby, 1928.
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