Conditions under which this digital document may be used

This document is protected by the Copyright Act 1994 (New Zealand). It may be copied by you provided you undertake to comply with the provisions of the Act and the following conditions:

1. You will make one copy only and use it only for the purposes of research or private study
2. You will recognize the right of the copyright owner(s) to be identified as such and due acknowledgement will be made where appropriate
3. You will obtain the copyright owner's or owners' permission before publishing any material from the document