Experimental and theoretical studies of interactions between Si7 clustersF.v. Gynz-Rekowski, W. Quester, R. Dietsche, D. C. Lim, N. Bertram, T. Fischer, G. Ganteför, M. Schach, P. Nielaba and Y. D. KimEur. Phys. J. D, 45 3 (2007) 409-413DOI: https://doi.org/10.1140/epjd/e2007-00155-0