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Information about petroleum in America prior to the nineteenth Century

Abstract

The petroleum substances have been used a lot of centuries ago: bitumen has been used in Neolithic Period to fix head's hammer of stone and to set beads. The authors of this paper want to show the knowledge of bitumen and asphalt in South America until the 19t h century through documents of Spaniards conquerors. Besides, we have done a comparative study between different words to design these petroleum product

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