Barlett, Harley Harris <br/><br/>
Fire in relation to primitive agriculture... 

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 - Michigan - EEUU  University of Michigan, Botanical Garden  1955 
 -  28 cm 
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<br/><br/><label>ISBN: </label>
<br/><br/><label>Subjects--Topical Terms: </label>--Agricultura--Agronomia--<br/>Agricultura