@article{10_4153_CMB_2008_017_2,
     author = {Zhou, Xiaowen},
     title = {Stepping-Stone {Model} with {Circular} {Brownian} {Migration}},
     journal = {Canadian mathematical bulletin},
     pages = {146--160},
     year = {2008},
     volume = {51},
     number = {1},
     doi = {10.4153/CMB-2008-017-2},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-2008-017-2/}
}