TY - RPRT TI - Near infrared spectroscopic examination of charred pine wood, bark, cellulose and lignin: Implications for the quantitative determination of charcoal in soils AU - James B. Reeves AU - Gregory W. McCarty AU - David W. Rutherford AU - Robert L. Wershaw PY - 2007 DO - 10.1255/jnirs.742 UR - https://pubs.usgs.gov/publication/70031701 ID - 70031701 ER -