@article {5372,
	title = {Probing high-barrier pathways of surface reactions by scanning tunneling microscopy},
	year = {2002},
	pages = {1838-1841},
	doi = {10.1126/science.1070859},
	url = {http://www.ncbi.nlm.nih.gov/pubmed/12052951},
	author = {M. D{\"u}rr and A. Biedermann and Z. Hu and U. H{\"o}fer and T.F. Heinz}
}
