Handley, L L Development of delta(15)N stratification of NO(3)(-) in soil profiles. [electronic resource] - Rapid communications in mass spectrometry : RCM 2001 - 1274-8 p. digital Publication Type: Journal Article; Research Support, Non-U.S. Gov't ISSN: 0951-4198 Standard No.: 10.1002/rcm.342 doi Subjects--Topical Terms: Air--analysisAlgorithmsHordeumHydrogen-Ion ConcentrationNitrates--analysisNitrogen--analysisNitrogen Isotopes--analysisScotlandSoil--analysisSoil Pollutants, Radioactive--analysisWater--analysis