This report was prepared as an account of Govern-ment sponsored work. Neither the United States, nor the Commission, nor any person acting on behalf of the Com-mission: A. Makes any warranty or representation, express or implied, with respect to the accuracy, completeness, or usefulness of the i~formation contained in this report, or that the use of any information, apparatus, method, or process disclosed in this report may not infringe privately owned rights; or B. Assumes any liabilities with respect to the use of, or for damages resulting from the use of any infor-m ation, apparatus, method, or process disclosed in this report. AS used in the above, ‘person acting on behalf of the commission~ ~ includes any employee Or contractor of ‘ie ...