TY - JOUR A1 - Gysel, M. A1 - Laborde, M. A1 - Olfert, J. S. A1 - Subramanian, R. A1 - Gröhn, A. J. T1 - Effective density of Aquadag and fullerene soot black carbon reference materials used for SP2 calibration JO - Atmos. Meas. Tech. J1 - AMT VL - 4 IS - 12 SP - 2851 EP - 2858 Y1 - 2011/12/22 PB - Copernicus Publications SN - 1867-8548 UR - https://amt.copernicus.org/articles/4/2851/2011/ L1 - https://amt.copernicus.org/articles/4/2851/2011/amt-4-2851-2011.pdf DO - 10.5194/amt-4-2851-2011 ER -