S. Wittwer

PROGRAM HAEFELI--TWO-DIMENSIONAL NUMERICAL SIMULATION OF THE CREEPING DEFORMATION AND TEMPERATURE DISTRIBUTION IN A PHASE CHANGING SNOWPACK

P. Bartelt, M. Christen, S. Wittwer, 2000 .

Investigations on the slope efficiency of a pulsed 2.8-µm Er3+:LiYF4 laser

S. Wittwer, H. Weber, M. Pollnau, 1997 .

Efficiency of erbium 3-/spl mu/m crystal and fiber lasers

S. Wittwer, H. Weber, M. Pollnau, 1996 .

Voluntary regional cooperation in Swiss polycentric regions

S. Wittwer, 2020, Territory, Politics, Governance.

Business centre or bedroom community? The development of employment in small and medium-sized towns

S. Wittwer, David Kaufmann, 2019, Regional Studies.

Performance of a diode-pumped BaY2F8:Er3+(7.5 at.%) laser at 2.8-µm

S. Wittwer, H. Weber, C. Harder, 1996 .