Hofmeister XIX is publicly available and free at the point of access. All academic content of this site is registered under a Creative Commons license: Attribution-Noncommercial-Share Alike 3.0, provided this publication is acknowledged. Guidance is given here on the form this acknowledgement should take.

We are keen for Hofmeister XIX to be used in the widest possible range of educational and research contexts. If you have any doubts about the use to which you wish to put the material in the context of this license, please contact the project team.