Excess Zn in ZnOLott, Kalju; Šinkarenko, Svetlana; Kirsanova, T.; Türn, Leo; Gorohova, E.; Grebennik, A.; Vishnjakov, A.International Conference on Photoresponsive Materials : Port Elizabeth, South Africa, 2004 : book of abstracts2004 https://www.researchgate.net/publication/230459966_Excess_Zn_in_ZnO