Gold, Victor. PH measurements : their theory and practice / by Victor Gold. - London : Wiley, 1956. - 125 pages : illustrations ; 18 cm - Methuen's monographs on chemical subjects . - Methuen's monographs on chemical subjects. . Subjects--Topical Terms: Hydrogen-ion concentration--Measurement. Index Terms--Genre/Form: pH (Chemistry) Dewey Class. No.: 541.3