@article{CRPHYS_2015__16_2_141_0,
     author = {Hans Schmid},
     title = {Preamble},
     journal = {Comptes Rendus. Physique},
     pages = {141--142},
     publisher = {Elsevier},
     volume = {16},
     number = {2},
     year = {2015},
     doi = {10.1016/j.crhy.2015.02.004},
     language = {en},
}