R. de-Picciotto, M. Reznikov, M. Heiblum, V. Umansky, G. Bunin, D. Mahalu (1997). «Direct observation of a fractional charge». Nature389 (6647): 162. Bibcode:1997Natur.389..162D. doi:10.1038/38241.
R. de-Picciotto, M. Reznikov, M. Heiblum, V. Umansky, G. Bunin, D. Mahalu (1997). «Direct observation of a fractional charge». Nature389 (6647): 162. Bibcode:1997Natur.389..162D. doi:10.1038/38241.