2861
2862
2863
Journal of the American Ceramic Society, 82 (1999) S. 3125 - 3128
2864
Journal of chemical education, 76 (1999) S. 1697 - 1700
2865
2866
2867
2868
2869
2870
2871
2872
2873
2874
2875
2876
2877
2878
2879
2880