Ordered Metal Nanohole Arrays Made by a Two-Step Replication of Honeycomb
Structures of Anodic Alumina
Hideki Masuda and Kenji Fukuda
Science 9 June 1995: 1466-1468. [DOI:10.1126/science.268.5216.1466] http://www.sciencemag.org/content/268/5216/1466.abstract?sid=4e