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By: Svante Carl v. Erichsen (Registered ) on 15-10-2007 12:12
Sorry to interject - the last diagram seems to be wrong (it repeats Solution 4, part 2, instead of illustrating Reference 4C). You can delete this comment after fixing, of course :)
wrong diagram
By: Svante Carl v. Erichsen (Registered) on 15-10-2007 12:12