Alhfeld,Friedrich <br/><br/>
Uber das Alter der zinnbringenden Magmengesteine Boliviens 

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 -    1937 
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 - Zentralblatt fur Miner. - Abt. A   v.2 .
<br/><br/><label>ISBN: </label>
<br/><br/><label>Subjects--Topical Terms: </label>--Geocronologia--Zinc--Bolivia--Bolivia<br/>Geologia