Space charge conduction in solids, by R.H. Tredgold. Tredgold, R. H. Space charge. Electric conductivity. Solids. QC581 .T7 531 19 TRS Bibliography: p. [131]-135. Amsterdam, New York, Elsevier Pub. Co., 1966 [c1965] 1966 [c1965] 1966 Text viii, 143 p. eng