On the occurence of band gaps in one-dimensional disordered systems
1990 ◽
Vol 148
(1-2)
◽
pp. 107-109
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1991 ◽
Vol 52
(6)
◽
pp. 745-753
◽
1987 ◽
Vol 20
(28)
◽
pp. L717-L721
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