JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS, vol. 126, no. 1-3, page. 316 - 319, 1993-09
PROCEEDINGS OF THE IEEE PARTICLE ACCELERATOR CONFERENCE, vol. 4, page. 2796 - 2798, 1993-01
PROCEEDINGS OF THE IEEE PARTICLE ACCELERATOR CONFERENCE, vol. 4, page. 2751 - 2753, 1993-01