M. Balanescu, G. Suciu, M. Dobrea, C. Balaceanu, R. Ciobanu, C. Dobre, A. Birdici, A. Badicu, I. Oprea, A. Pasat "An Algorithm to Improve Data Accuracy of PMs Concentration Measured with IoT Devices", Advances in Science, Technology and Engineering Systems Journal, vol. 5, no. 2, pp. 180-187 (2020).