PaperObservation of second sound in NaF by means of light scatteringDieter W. Pohl, V. IrnigerPhysical Review Letters
PaperAll-glass vacuum-insulated liquid-nitrogen cooled CO laserE. Haupt, V. Irniger, et al.Review of Scientific Instruments
PaperObservation of second sound in NaF by means of light scatteringDieter W. Pohl, V. IrnigerPhysical Review Letters