Frequency dependence of the conductivity and dielectric constant of single crystal La₂CuO₄₊y̳

Frequency dependence of the conductivity and dielectric constant of single crystal La₂CuO₄₊y̳ Chen, Chih-Yung. Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Physics, 1990.; On t.p. "y" is subscript.; Includes bibliographical references (p. 136-143).