@misc{indiciaeac41795e1474, title = {Ewens' sampling formula and related formulae: combinatorial proofs, extensions to variable population size and applications to ages of alleles.}, author = {Robert C Griffiths and Sabin Lessard}, year = {2005}, doi = {10.1016/j.tpb.2005.02.004}, url = {https://pubmed.ncbi.nlm.nih.gov/15913688/}, note = {Source identifier: 15913688} }