SPECTRAL PROPERTIES OF Cr3+ DOPED TETRA- AND PENTA- PHOSPHATE CRYSTALS M. MALINOWSKI, R. WOLSKI et W. WOLINSKIJ. Phys. Colloques, 48 C7 (1987) C7-489-C7-491DOI: https://doi.org/10.1051/jphyscol:19877116
