This template is used to refer to Arcanum Unbounded essays on the coppermind. It is a special template because unlike other {{book ref}}
-able books, it's sections are not numbered.
To use, include {{au ref|system adjective}}
- the first argument should be the adjective of the desired system
- {{{pre}}} is included before the link
- {{{post}}} is included after the link
- {{{name}}} replaces the generated reference name
- {{{group}}} sets the reference group