@article{CRPHYS_2020__21_7-8_619_0,
     author = {Boris Gralak and S\'ebastien Guenneau},
     title = {Foreword},
     journal = {Comptes Rendus. Physique},
     pages = {619--623},
     publisher = {Acad\'emie des sciences, Paris},
     volume = {21},
     number = {7-8},
     year = {2020},
     doi = {10.5802/crphys.45},
     language = {en},
}