Winter Nights during Summer Time: Stress Physiological Response to Ice and the Facilitation of Freezing Cytorrhysis by Elastic Cell Wall Components in the Leaves of a Nival Species oleh Matthias Stegner, Barbara Lackner, Tanja Schäfernolte, Othmar Buchner, Nannan Xiao, Notburga Gierlinger, Andreas Holzinger, Gilbert Neuner