Ritter, Robert A.Wallis, John Paul Alexander2005-07-192005-07-19197382480891http://hdl.handle.net/1880/14201Bibliography: p. 105-109.xvi, 134 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.TP 1180 S7 W35 1973 MicrofilmPolystyrenedoctoral thesis10.11575/PRISM/13443TP 1180 S7 W35 1973 Microfilm