@article{b8f1617d217042ed95f180b279c42897,
title = "Use of δ15N and δ18O isotope ratios to identify sources of nitrate in the unsaturated zone",
author = "Albrecht Leis",
note = "4th Austrian Workshop on Stable Isotopes in Environmental and Earth Sciences",
year = "2002",
language = "English",
volume = "6",
pages = "19--21",
journal = "Berichte des Institutes f{\"u}r Erdwissenschaften der Karl-Franzens-Universit{\"a}t Graz",
publisher = "Institut f{\"u}r Erdwissenschaften, Karl-Franzens-Universit{\"a}t Graz",
}