Fragmentation of threonine under low-energy electron impact Jelena Tamuliene, Liudmila Romanova, Vasyl Vukstich, Vasyl Rizak and Alexander Snegursky Eur. Phys. J. D, 75 1 (2021) 31 Published online: 21 January 2021 DOI: 10.1140/epjd/s10053-021-00042-6