Text ( visual ) : unmediated Proceedings of the twenty-fifth ISA Power Instrumentation Symposium, May 24-26, 1982, Phoenix, Arizona / program chairman, Alvin Sifry ; general chairman, Richard C. Hale. -- North Carolina : Instrument Society of America , c1982. -- 280, [4] p. : ill. ; 28 cm. -- (Instrumentation in the power industry ; v. 25). -- ISBN 0876646984 ; (BD07208377) ; https://ci.nii.ac.jp/ncid/BD07208377 Other Title(s): Proceedings of the 25th Power Instrumentation Symposium ; Instrumentation in the power industry. -- Author Heading(s): Power Instrumentation Symposium ; Instrument Society of America ; Sifry, Alvin ; Hale, Richard C.