TY - RPRT TI - Characterization of alkyl carbon in forest soils by CPMAS 13C NMR spectroscopy and dipolar dephasing AU - I. Kogel-Knabner AU - Patrick G. Hatcher PY - 1989 DO - 10.1016/0048-9697(89)90122-8 UR - https://pubs.usgs.gov/publication/70015558 ID - 70015558 ER -