Natural abundance-level measurement of the nitrogen isotopic composition of oceanic nitrate: an adaptation of the ammonia diffusion method Article
Sigman, DM, Altabet, MA, Michener, R et al. (1997). Natural abundance-level measurement of the nitrogen isotopic composition of oceanic nitrate: an adaptation of the ammonia diffusion method
. MARINE CHEMISTRY, 57(3-4), 10.1016/S0304-4203(97)00009-1