- Received December 8, 1998
- Revision requested February 26, 1999
- Revised June 2, 1999
- Accepted June 15, 1999
- First published June 1, 2000.
Please note that a slight error has occurred in the listing of the authors names, where a 'D' has been omitted from the second author's name. The correct listing should read as follows:
Joseph Harbison, Jonathan D Dodd, and Walter T McNicholas
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