TY - JOUR A1 - Thieme, L. A1 - Graeber, D. A1 - Kaupenjohann, M. A1 - Siemens, J. T1 - Fast-freezing with liquid nitrogen preserves bulk dissolved organic matter concentrations, but not its composition JO - Biogeosciences J1 - BG VL - 13 IS - 16 SP - 4697 EP - 4705 Y1 - 2016/08/22 PB - Copernicus Publications SN - 1726-4189 UR - https://bg.copernicus.org/articles/13/4697/2016/ L1 - https://bg.copernicus.org/articles/13/4697/2016/bg-13-4697-2016.pdf DO - 10.5194/bg-13-4697-2016 ER -