@article{escidoc:0572, title = {{Superparamagnetism in small Fe clusters on Cu(111)}}, author = {Ballentine, G. and He\ssler, M. and Kinza, M. and Fauth, K.}, journal = {{The European Physical Journal D}}, volume = {45}, pages = {535--537}, year = {2007}, doi = {10.1140/epjd/e2007-00271-9} }