TY - JOUR AN - 022372825 AU - CaoYaCheng AU - SunGuoQing AU - HanYong AU - SunDeLing AU - WangXi PY - 2008 TI - Determination of nitrogen, carbon and oxygen stable isotope ratios in N2O, CH4, and CO2 at natural abundance levels by mass spectrometer JO - Acta Pedologica Sinica VL - 45 IS - 2 SP - 249 EP - 258 UR - https://eurekamag.com/research/022/372/022372825.php ER -