@article{JAC_2012__35_4_a5,
     author = {Dalla Volta, Francesca and Siemons, Johannes},
     title = {Orbit equivalence and permutation groups defined by unordered relations},
     journal = {Journal of Algebraic Combinatorics},
     pages = {547--564},
     publisher = {mathdoc},
     volume = {35},
     number = {4},
     year = {2012},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/JAC_2012__35_4_a5/}
}