ISTL Symbols (original) (raw)
![[Board Accepted]](http://www.istl.org/graphics/b2.gif) |
Board AcceptedThe Editorial Board reviewed this article and accepted it for publication. |
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![[Invited Article]](http://www.istl.org/graphics/i2.gif) |
Invited ArticleThe ISTL Editorial Board invited the author to write this article. |
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![[Refereed Article]](http://www.istl.org/graphics/r2.gif) |
Refereed ArticleISTL's Referees reviewed this article and accepted it for publication. |
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