Wang, Z., Ma, X.Y. , Song, J.W. and Yao, J.H. 2009. Optical properties of ZnO and Mn-doped ZnO nanocrystals by vapor phase transport processes. Nano-Micro Letters. 1, 1 (Dec. 2009), 45-48. DOI:https://doi.org/10.1007/BF03353606.