The ISLAND module for computing magnetic island widths in tokamaks Halpern, F. D. ; Bateman, G. ; Kritz, A. H. ; Pankin, A. Y. Abstract Publication: Journal of Plasma Physics Pub Date: December 2006 DOI: 10.1017/S0022377806005836 Bibcode: 2006JPlPh..72.1153H