- On propagation of solitons in media with higher order dispersionIlison, Olari; Salupere, AndrusProceedings of the 15th Nordic Seminar on Computational Mechanics2002 / p. 177-180 https://kirj.ee/wp-content/plugins/kirj/pub/phys-1-2003-135-144_20211017143919.pdf
- On solitons in dilatant granular materialsIlison, Lauri; Salupere, AndrusProceedings of the 15th Nordic Seminar on Computational Mechanics2002 / p. 181-184