E. Trumsina, Z. Zelca, and S. Kukle, “POLY(VINYL ALCOHOL) AND POLY(VINYL ALCOHOL) /ZINC OXIDE COMPOSITE NANOFIBRE WEBS: QUALITY CONTROL WITH CONDUCTOMETER”, ETR, vol. 3, pp. 316–320, Jun. 2017, doi: 10.17770/etr2017vol3.2597.