ACKNOWLEDGMENTS 



The assistance of Mr. William Lyons and Mrs. Wilhelmenia Bowe in pre- 

 paring the art work, Mr. Albert Bargeski in preparing the data appendixes, 

 Miss Jacqueline Mothers head for her typing assistance, Mrs. Eugenia Pakulis 

 for her aid in preparing translations, and Mr. William Myers for his helpful 

 comments is sincerely appreciated. 



