NOTICE This report was prepared as an account of work sponsored bv the United Seares Gevernment. Neither the United Stares nor the United Stares Department of Energy (DOE), sar any of ther empiovees, sor any of their contractors, subcontractors. or thair enplovess, makes any warranty, express or implied, or assumes any legal liabtiirv or responability for the accuracy, completeness or usefulness of any intormanon, apparatus, product or proces disciosed, or represencs chat ic) use would noc infringe pervacely owned nigna. Printed in che United Scares of America Available from Nadonal Technical [nformadon Sermce U.S. Department of Commerce 5285 Port Roval Road Sonngtield, VA 22151 Price: Printed Copv $5.25; Microfiche $3.00 March 1978 363 copies