Murat Demirbas Carole Rudra Atri Rudra Murat Ali Bayir iMAP: Indirect Measurement of Air Pollution with Cellphones. 1-6 2009 PerCom Workshops http://dx.doi.org/10.1109/PERCOM.2009.4912847 conf/percom/2009w db/conf/percom/percomw2009.html#DemirbasRRB09