A1 publication Journal title Journal of Physics: Condensed Matter Publication date November 1998 Volume, issue & page range or art. n 10, (37), 8381. Year 1998 Authors Cottenier S.; Demuynck S.; Kaczorowski D.; Spirlet J. C.; Meersschaut J.; Rots M. DOI http://dx.doi.org/10.1088/0953-8984/10/37/022