@Article{bg-4-75-2007,
AUTHOR = {Altabet, M. A.},
TITLE = {Constraints on oceanic N balance/imbalance from sedimentary $^{15}$N records},
JOURNAL = {Biogeosciences},
VOLUME = {4},
YEAR = {2007},
NUMBER = {1},
PAGES = {75--86},
URL = {https://bg.copernicus.org/articles/4/75/2007/},
DOI = {10.5194/bg-4-75-2007}
}