JOURNAL OF THE AMERICAN CERAMIC SOCIETY, vol. 77, no. 4, page. 915 - 921, 1994-04
APPLIED PHYSICS LETTERS, vol. 64, no. 23, page. 3065 - 3067, 1994-06-06
MOLECULES AND CELLS, vol. 5, no. 5, page. 467 - 474, 1995-10-31
APPLIED PHYSICS LETTERS, vol. 62, no. 11, page. 1176 - 1178, 1993-03-15
JOURNAL OF BIOLOGICAL CHEMISTRY, vol. 270, no. 42, page. 25014 - 25019, 1995-10-20