SOFT-MODE SPECTRA AND PHASE TRANSITION IN KDP CRYSTAL WITH ADP IMPURITIES Jong-Jean Kim, Jong-Wook Won et Byoung-Koo ChoiJ. Phys. Colloques, 42 C6 (1981) C6-427-C6-429DOI: https://doi.org/10.1051/jphyscol:19816125
