%0 Journal Article %A Darrel Baumgardner %A Olga Popovicheva %A James Allan %A Vera Bernardoni %A Junji Cao %A Fabrizia Cavalli %A Julie Cozic %A Evangelia Diapouli %A Konstantinos Eleftheriadis %A P. P Johan Genberg %A Carlos A Gonzalez %A Martin Gysel %A Astrid John %A Thomas W Kirchstetter %A Thomas A. J Kuhlbusch %A Marie Laborde %A Daniel Lack %A Thomas Müller %A Reinhard Niessner %A Andreas Petzold %A Andrea Piazzalunga %A Jean-Philippe Putaud %A Joshua P Schwarz %A Patrick Sheridan %A Ramesh B Subramanian %A Erik Swietlicki %A Gianluigi Valli %A Roberta Vecchi %A Mar Viana %B Atmospheric Measurement Techniques %D 2012 %P 1869-1887 %R 10.5194/amt-5-1869-2012 %T Soot reference materials for instrument calibration and intercomparisons: a workshop summary with recommendations %V 5