Archangelsky,Sergio et al. <br/><br/>
The Carboniferous and early Permian of the South American Gondwana area: a summary of ... 

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 - Bs.As.-ARG    1980 
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 - Actas II Cong.Arg.Pal. y Bioestrat. y I Cong.Lat. Pal.   v.4 .
<br/><br/><label>ISBN: </label>
<br/><br/><label>Subjects--Topical Terms: </label>--Paleobotanica--Bioestratigrafia--Carbonifero--Permico--Gondwana--Sudamerica--<br/>Geologia