Journal of Sol-Gel Science and Technology
Journal of Sol-Gel Science and Technology > 2000 > 19 > 1-3 > 399-402
Journal of Sol-Gel Science and Technology > 2000 > 19 > 1-3 > 637-641
Journal of Sol-Gel Science and Technology > 2000 > 19 > 1-3 > 321-324