Lederis, KarlGill, Valerie Elaine2005-07-192005-07-19197782480988http://hdl.handle.net/1880/14716Bibliography: p. 130-138.xvii, 138 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.QL 638 C27 G55 1977 MicroficheCatostomus commersonimaster thesis10.11575/PRISM/16715QL 638 C27 G55 1977 Microfiche