URBAŃCZYK M, JAKUBIK W, ADAMCZYK E, RZESZOTARSKA J. Devices for measurement of the NO2 concentration in the air by means of surface acoustic waves. Arch. Acoust. 2014;22(2):197-206. Accessed May 10, 2025. https://acoustics3.ippt.pan.pl/index.php/aa/article/view/950