Zinc oxide thin films by spray pyrolysis methodKrunks, Malle; Bijakina, Olga; Mikli, Valdek; Varema, Tiit; Mellikov, EnnPhysica scripta1999 / Proceedings of 18th Nordic Semiconductor Meeting, Linköping, Sweden, June 7-10, 1998, ISBN 91-87308-71-1, p. 209-212: ill Zinc oxide thin films by spray pyrolysis methodKrunks, Malle; Mellikov, EnnAbstracts of International Conference on Metallurgical Coatings and Thin Films, San Diego, 19951995 / p. 135 https://www.sciencedirect.com/science/article/abs/pii/0040609095068937