Boletim /
Escola de Geologia, Universidade do Rio Grande do Sul.

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Item Link Original Source
Limited (search only)   v.1-9 University of California
Limited (search only)   no.2 University of Colorado Boulder
Limited (search only)   no.3 University of Colorado Boulder
Limited (search only)   no.6 University of Colorado Boulder
Limited (search only)   no.7 University of Colorado Boulder
Limited (search only)   no.8 University of Colorado Boulder
Limited (search only)   no.9 University of Colorado Boulder
Limited (search only)   no.10 University of Colorado Boulder
Limited (search only)   v.10-14 University of California
Limited (search only)   no.11 University of Colorado Boulder
Limited (search only)   no.12 University of Colorado Boulder
Limited (search only)   no.13 University of Colorado Boulder