Physical description for original version: iii, 32 p. : 28 cm
書誌注記
Includes bibliographical references
原資料等に関する注記
原資料の出版事項: Denver, Colo. : Power and Instrumentation Branch, Division of Research and Laboratory Services, Engineering and Research Center, U.S. Dept. of the Interior, Bureau of Reclamation, [1984]