NITROGEN DIOXIDE INDUCED CONDUCTIVITY SWITCHING IN ZNO THIN FILM Статья Vyas R., Gupta P., Sachdev K., Sharma S.K., Sharma S., Prasad A.K., Dhara S.K., Tyagi A.K. Journal of Alloys and Compounds. Elsevier Ltd. Том 571. 2013. С. 6-11
