Copyright
This site contains a variety of copyright material. Some of this is the intellectual property of individuals (as named), some is owned by VOCAL itself. Some material is owned by others (as clearly indicated) and some material is in the public domain. Except for material which is unambiguously in the public domain, only material owned by VOCAL and so indicated, may be copied, provided that the textual and graphical content are not altered and that the source is acknowledged. Permission is not given for any commercial use or sale of this material.
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