by ellipsometry
10 1 16 tracks
225 28 9 tracks
187 28 11 tracks
20 7 32 tracks
29 5 14 tracks
7 1 15 tracks
58 3 13 tracks
1798 34 15 tracks
285 19 15 tracks
527 37 17 tracks
57 8 12 tracks
30 6 12 tracks