@ARTICLE {PAUSTIAN:1997,
title = {Agricultural soils as a sink to mitigate CO2 emissions},
author = {Paustian, K. and Andren, O. and Janzen, H. H. and Lal, R. and Smith, P. and Tian, G. and Tiessen, H. and Van Noordwijk, M. and Woomer, P. L. },
journal = {Soil Use and Management},
year = {1997},
volume = {13},
pages = {230--244},
}