The Leading Edge; 2005; v. 24; no. Supplement;
p. S26-S31; DOI: 10.1190/1.2112388
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Figure 2. The upper figure shows the total income to SEG and the contribution from dues and advertising on a per-member basis in 2005 dollars (if interested, see the steps in data compilation and conversion in the appendix to this article). The brackets on the figures mark the three significant eras (Journal, Books, and Meetings) of SEG.
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