3.3.2
published
._.
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3.3.4 published ._.
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3.3.6
published
._.
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3.3.8
published
._.
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._. alternate solution under revision
3.3.10
published
._.
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3.4.2
published
._.
report
._. alternate solution published
3.4.4
published
._.
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3.4.6
published
._.
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3.4.8 published ._.
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3.4.10 no adequate paper received ._.
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3.5.2 published ._.
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3.5.4 published ._.
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3.5.6
published
._.
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3.5.8 published
3.5.10
published
._.
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._. alternate solution published
3.5.12 published ._.
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3.5.14 published ._.
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Last updated Fri 14 May 99