Schmid, H., Laskus, L., Abraham, H. J., Baltensberger, U., Lavanchy, V., Bizjak, M., Burba, P., Cachier, H., Crow, D., Chow, J. C., Gnauk, T., Even, A., ten Brink, H. M., Giesen, K. P., Hitzenberger, R., Hueglin, C., Maenhaut, W., Pio, C., Putaud, J. P., Toom-Sauntry, D., Puxbaum, H. (2001). Results of the “Carbon Conference” International Aerosol Carbon Round Robin Test Stage I, Aerosol Science & Technology, 35 , 2111-2121