Author I.S. Tilinin, J. Zemek, S. Hucek Laboratory / Department Department of Optical Materials DOI 10.1002/(SICI)1096-9918(199708)25:9<683::AID-SIA282>3.0.CO;2-G Postscript Surf. Interface Anal. 25 (1997) 683 - 687 Date 1997