@article {LouisS95,
	title = {Atomic tunneling from a scanning-tunneling or atomic-force microscope tip - dissipative quantum effects from phonons},
	journal = {Physical Review Letters},
	volume = {74},
	year = {1995},
	pages = {1363-1366},
	author = {Louis, A. A. and Sethna, J. P.}
}
