Wróbel, P., Stefaniuk, T., Ciesielski, A.S. and Szoplik, T. 2013. Smooth Al nanolayers deposition on sapphire and quartz substrates. Photonics Letters of Poland. 5, 2 (Jun. 2013), pp. 42–44. DOI:https://doi.org/10.4302/photon. lett. pl.v5i2.402.