TY - BOOK AU - Reethamma Thomas AU - TI - Investigations on laser induced fluorescence and related aspects of barium sulphide phosphor doped with copper and rare-earth elements U1 - 535.37 PY - 1991/// CY - Kochi PB - Department of Physics, CUSAT KW - Luminescence N1 - Cochin University of Science & Technoilogy ER -