Humboldt-Universität zu Berlin | Faculty of Mathematics and Natural Sciences | Department of Physics | Physics of low-dimensional systems | Friday Light Talks | twitter-logo-vector-png-clipart-1.png twitter-logo-vector-png-clipart-1.png twitter-logo-vector-png-clipart-1.png image/png Type image/png Dimension Dimension 518x518 Size File size 75.6 KB Download View full-size image