Holmes, R.M., J.W. McClelland, D.M. Sigman, B. Fry, and B.J. Peterson. 1998. “Measuring 15N-NH4 + in Marine, Estuarine and Fresh Waters: An Adaptation of the Ammonia Diffusion Method for Samples With Low Ammonium Concentrations”. Marine Chemistry 60: 235-43. doi:10.1016/S0304-4203(97)00099-6.
J.W. McClelland
First name
J.W.
Last name
McClelland