Analysis of the three-dimensional structure of a small crystallite by scanning tunneling microscopy: Multilayer films of 3,4,9,10-perylenetetracarboxylic-dianhydride (PTCDA) on 
Europhys. Lett., 59 3 (2002) 423-429
DOI: https://doi.org/10.1209/epl/i2002-00212-8