Least squares algorithms for constructing constrained ultrametric and additive tree representations of symmetric proximity data
1984 ◽
Vol 16
(6)
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pp. 551-552
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1998 ◽
Vol 51
(2)
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pp. 269-288
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2001 ◽
Vol 54
(1)
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pp. 103-123
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1995 ◽
Vol 48
(2)
◽
pp. 281-317
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