Jiang, Y., K. Li, R. Piedrahita, X. Yun, L. Tian, O. M. Mansata, Q. Lv, R. P. Dick, M. Hannigan, and L. Shang. “User-Centric Indoor Air Quality Monitoring on Mobile Devices”. AI Magazine, Vol. 34, no. 2, June 2013, p. 11, doi:10.1609/aimag.v34i2.2472.