TY - JOUR T1 - Infrared spectroscopic study of the dressed rotations of CN- isotopes in alkali-halide crystals JF - Physical Review B Y1 - 1991 A1 - Mungan, C. E. A1 - Spitzer, R. C. A1 - Sethna, J. P. A1 - Sievers, A. J. VL - 43 ER -