License granted by Danie Kruger (danie.kruger@up.ac.za) on 2006-07-18T14:49:32Z (GMT): Exclusive Distribution License I, the submitter, on behalf of the University of Pretoria, agree to the following: Items contained in the Birch collection have been donated to the University of Pretoria by the original copyright owner. The exclusive right has been granted by the copyright owner to the University of Pretoria to distribute the items contained in this collection as it deems fit. The University of Pretoria has the exclusive right to reproduce, translate (as defined below), and/or distribute the submission (including the abstract) worldwide in print and electronic format and in any medium, including but not limited to audio or video. The following agreement exists between the original copyright owner and the University of Pretoria (view license agreement): The University of Pretoria may, without changing the content, translate the submission to any medium or format for the purpose of preservation. The University of Pretoria may keep more than one copy of this submission for purposes of security, back-up and preservation. The University of Pretoria also represents that this submission does not, to the best of the university?s knowledge, infringe upon anyone's copyright. A declaration in this regard has been obtained from the rightful owner. The declaration is available by request from the following e-mail address: africana@up.ac.za All third-party owned material is clearly identified and acknowledged within the text or content of this submission. Any right or review or other obligations required by a contract or agreement with sponsors or supporting agencies or organizations other than the University of Pretoria, have been reviewed and fulfilled. All items in the UPSpace collection are subject to copyright. For more information on the SA Copyright, visit the SA Copyright Act No. 98 of 1978 (as amended) available at http://www.buys.co.za/publications/cyberlaw/CopyrightAct.html.