Phillips, Gregory E., authorAlldredge, A. William, author2021-04-232021-04-231997-05-15https://hdl.handle.net/10217/230794May 15, 1997.Includes bibliographical references.born digitalreportsengCopyright and other restrictions may apply. User is responsible for compliance with all applicable laws. For information about copyright law, please see https://libguides.colostate.edu/copyright.Text