Ruwanpura, JanakaHanna, Mikhail Alfy2017-12-182017-12-182011http://hdl.handle.net/1880/104957Bibliography: p. 294-311Some pages are in colour.This thesis cannot be digitized due to a lack of ethics approval. A letter stating this is available in the appendix and with the original Partial Copyright Licence.334 leaves : ill. ; 30 cm.engUniversity of Calgary graduate students retain copyright ownership and moral rights for their thesis. You may use this material in any way that is permitted by the Copyright Act or through licensing that has been assigned to the document. For uses that are not allowable under copyright legislation or licensing, you are required to seek permission.doctoral thesis10.11575/PRISM/3956