@article{RSMUP_1982__68__1_0,
     author = {Ericksen, J. L.},
     title = {Crystal lattices and sub-lattices},
     journal = {Rendiconti del Seminario Matematico della Universit\`a di Padova},
     pages = {1--9},
     publisher = {Seminario Matematico of the University of Padua},
     volume = {68},
     year = {1982},
     mrnumber = {702141},
     zbl = {0523.73002},
     language = {en},
     url = {http://www.numdam.org/item/RSMUP_1982__68__1_0/}
}