The conduction of electricity through gases / by K. G. Emeléus; with a general preface by O. W. Richardson; with 37 diagrams. Emeléus, Karl George, 1901- Electric discharges through gases. QC711 .E5 537.53 EMC Printed in Great Britain. "Important references": p. 89-91. New York : E.P. Dutton and company inc. , c1936. c1936. 1930 Text x, 94 p. : eng Monographs on physical subjects