REA Pattern
===========

Quote
-----
A lot of docstring is quoted on::

    Model-Driven Design Using Business Patterns
    Authors: Hruby, Pavel
    ISBN-10 3-540-30154-2 Springer Berlin Heidelberg New York
    ISBN-13 978-3-540-30154-7 Springer Berlin Heidelberg New York

External documentation
----------------------
`REA technology <http://reatechnology.com>`_

`Wikipedia REA <http://en.wikipedia.org/wiki/Resources,_events,_agents_%28accounting_model%29>`_

`William E. McCarthy personal web page <https://www.msu.edu/~mccarth4/>`_

`Modeling Business Enterprises as Value-Added Process Hierarchies with Resource-Event-Agent Object Templates <https://www.msu.edu/user/mccarth4/SYOBJCT.htm>`_

`REA mailing list <https://groups.yahoo.com/neo/groups/REATechnology/info>`_

`REA, a semantic model for Internet supply chain collaboration <http://www.jeffsutherland.org/oopsla2000/mccarthy/mccarthy.htm>`_