edited by J. J. Bigarella, R. D. Becker and I. D. Pinto; prepared under the auspices of the Conselho Nacional de Pesquisas and others. Brazilian contribution to The International Symposium on the Gondwana Stratigraphy and PaleontologyInstituto de Geologia1967
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- 著者標目...uisas (Brazil) Paraná, Brazil (State). Universidade Federal. Instituto de Geologia