S.  Datar, Chaudhary, M. V., Sastry, M., and Dharmadhikari, C. V., ?Scanning tunneling microscopy/spectroscopy on Au nanoparticles assembled using lauryl amine (LAM) and octadecane thiol (ODT)?, Applied Surface Science, vol. 253, no. 11, pp. 5109-5115, 2007.