Sas, R. K. The metre-kilogram-second system of electrical units / by R.K. Sas and F.B. Pidduck. - London : Methuen, [1947] - Methuen's monographs on physical subjects . LCCN: 48001103 Subjects--Topical Terms: Electric units. LC Class. No.: QC536 / .S3 Dewey Class. No.: 537.7