Von Joseph A. Stroscio Robert J. Celotta Steven R. Blankenship Frank M. Hess – https://www.nist.gov/cnst/epg/atom_manipulation_stm.cfm, Gemeinfrei, httpss://commons.wikimedia.org/w/index.php?curid=36930714
Von Joseph A. Stroscio Robert J. Celotta Steven R. Blankenship Frank M. Hess – https://www.nist.gov/cnst/epg/atom_manipulation_stm.cfm, Gemeinfrei, https://commons.wikimedia.org/w/index.php?curid=36930714