Cu	Bi	Se
19.9	21.7	22.1
19.9	21.1	22.2
23.2	20.5	21
20.2	21.5	21.7
23.6	20.1	21.2
23.2	20.8	19.9
24.1	20.3	20.9
21.4	21.3	21.9
