RESONANT MAGNETOPOLARON COUPLING TO BOTH POLAR AND NEUTRAL OPTICAL PHONONS IN THE LAYER COMPOUND INSE - Peeters, F; Wu, X; Devreese, J; Watts, M; Nicholas, R; Howell, D; Vanbockstal, L; Herlach, F; Langerak, C; Singleton, J; Chevy, A (1992)