[1]
Townsend, M.A. and Macko, S.A. 2007. Preliminary Identification of Ground-Water Nitrate Sources Using Nitrogen and Carbon Stable Isotopes, Kansas.
Current Research in Earth Sciences. 253 (Dec. 2007), 1–13. DOI:
https://doi.org/10.17161/cres.v0i253.11845.