Cyrys, J., Heinrich, J., Karg, E., Pitz, M., Wichmann, H., & Wiedensohler, A. Variability of apparent particle density of an urban aerosol.

Cyrys, Josef., Joachim Heinrich, Erwin Karg, Mike Pitz, H.-Erich Wichmann, và Alfred Wiedensohler. Variability of Apparent Particle Density of an Urban Aerosol.

Cyrys, Josef., et al. Variability of Apparent Particle Density of an Urban Aerosol.