TY - BOOK AU - Galasso, Francis AU - TI - Structure properties and preparation of parovskite type compounds U1 - 539.2:546 PY - 1969/// CY - Oxford PB - Pergamon Press KW - Light KW - Photometry KW - Optics KW - Colour KW - Optical storage devices KW - Spectrum analysis KW - Phosphoresence KW - Spectroscopy KW - Physics KW - Optical physics ER -