@INPROCEEDINGS{dotlacil+11,

author={Jakub {Dotla\v cil} and {\O ystein} Nilsen},

title={A null theory of long-distance reciprocity},

year={2011},

editor={Suzi Lima and Kevin Mullin and Brian Smith},

booktitle={Proceedings of {NELS~39}, 2008},

address = {Amherst},

school = {University of Massachussets}

}