HARMONIC DYNAMICS OF ANTHRACENE AND NAPHTHALENE CRYSTALS E.L. Bokhenkov, A.I. Kolesnikov, T.A. Krivenko, E.F. Sheka et V.A. Dementjev J. Phys. Colloques, 42 C6 (1981) C6-566-C6-568 DOI: 10.1051/jphyscol:19816164