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timestamp = {2015-06-05 17:00:17},  booktitle = {Enzymes in the Environment},  series = {Books in Soils, Plants, and the Environment},  publisher = {{CRC} Press}, {Marcel Dekker},  address = {New York},  author = {Kj{\"o}ller, Annelise H and Struwe, Sten},  date = {2002-01-29},  year = {2002},  pages = {306--324},  }  @article{Rui2009,