Henrik Eriksson. Pebblings. Electr. J. Comb., 2, 1995. [doi]
@article{Eriksson95:0, title = {Pebblings}, author = {Henrik Eriksson}, year = {1995}, url = {http://www.combinatorics.org/Volume_2/Abstracts/v2i1r7.html}, researchr = {https://researchr.org/publication/Eriksson95%3A0}, cites = {0}, citedby = {0}, journal = {Electr. J. Comb.}, volume = {2}, }