‡a
The application of pedology, stable carbon isotope analysis and geographic information systems to ancient soil resource investigations at Piedras Negras, Guatemala, 2004:
‡b
t.p. (Kristofer Dee Johnson, Thesis (M.S.)--Brigham Young Univ. Dept. of Plant and Animal Sciences)
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applicationofpedologystablecarbonisotopeanalysisandgeographicinformationsystemstoancientsoilresourceinvestigationsatpiedrasnegrasguatemala
‡A
The application of pedology, stable carbon isotope analysis and geographic information systems to ancient soil resource investigations at Piedras Negras, Guatemala, 2004:
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