TY - RPRT TI - Mid-infrared diffuse reflectance spectroscopic examination of charred pine wood, bark, cellulose, and lignin: Implications for the quantitative determination of charcoal in soils AU - J. B. Reeves AU - G.W. McCarty AU - D.W. Rutherford AU - R.L. Wershaw PY - 2008 DO - 10.1366/000370208783575618 UR - https://pubs.usgs.gov/publication/70033616 ID - 70033616 ER -