TY - BOOK AU - Pandian, V. TI - Study of group 1B impurities in silicon and Gallium arsenide and photoquenching effect of EL2 defect in Gallium arsenide /by V.Pandian T2 - IISc, Department of Physics, Ph.D Thesis U1 - 537.622 PY - 1990/// CY - Bangalore PB - IISc ER -