@article {10683,
	title = {Origin of nanoscale potential fluctuations in two-dimensional semiconductors},
	journal = {Applied Physics Letters},
	year = {2009},
	doi = {10.1063/1.3177329},
	author = {S. Landrock and Y. Jiang and K.H. Wu and E.G. Wang and K. Urban and Ph. Ebert}
}
