Blears, J. Cooperative mass spectrometric analysis of C1-C4 hydrocarbon mixture s / J. Blears and J. D. Waldron. - Manchester : Metropolitan-Vickers Electrical Co. Ltd , 1955. - 6 p. : ill. ; 28 cm. - Research series ; No.6 . Includes bibliographical references. Subjects--Topical Terms: Mass spectrometry--------Hydrocarbons--------