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title = {{The retention of organic matter in soils}},  journal = {Biogeochemistry},  }  @article{Sollins_1996,  doi = {10.1016/s0016-7061(96)00036-5},  url = {http://dx.doi.org/10.1016/s0016-7061(96)00036-5},  year = {1996},  month = {nov},  publisher = {Elsevier {BV}},  volume = {74},  number = {1-2},  pages = {65--105},  author = {Phillip Sollins and Peter Homann and Bruce A. Caldwell},  title = {{Stabilization and destabilization of soil organic matter: mechanisms and controls}},  journal = {Geoderma},  }