From one to two dimensions in quantum spin systems
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1989 ◽
Vol 63
(3)
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pp. 322-325
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2006 ◽
Vol 269
(3)
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pp. 611-657
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2004 ◽
Vol 45
(6)
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pp. 2134-2152
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2000 ◽
Vol 284-288
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pp. 1625-1626
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