title: Importance of denitrification and nitrate reduction in sediments to the nitrogen budgets of lakes.
authors.affiliation: Department of Soil Science, University of Wisconsin, Madison 53706, USA.
authors.forename: D R
authors.initials: DR
authors.lastname: Keeney
authors.forename: R L
authors.initials: RL
authors.lastname: Chen
authors.forename: D A
authors.initials: DA
authors.lastname: Graetz