Azad, Fahad Fabrication, Structural Characterization, Electric and Dielectric Parameters of the Laboratory Synthesized Nano-Crystalline Erbium Oxide (Er2O3) Fahad Azad - Islamabad: SNS - NUST, 2013. - 58 p. : ill. ; 30cm. ISBN: Subjects--Topical Terms: Physics - M. Phil Thesis. Dewey Class. No.: 530