ISA Power Instrumentation Symposium.ISA Power Instrumentation Symposium (24th : 1981 : Pittsburgh, Pa.)：Instrumentation in the power industry．V.24.Instrument Society of American,1981.
R. W. Swarthout,International ISA Power Instrumentation Symposium.International ISA Power Instrumentation Symposium (21st : 1978 : Phila)：Instrumentation in the power industry ．V.21.ISA,1978.
