@Article{economics.ja.2009-11,
 author = {Ishikawa, Atushi },
 title = {Power-Law and Log-Normal Distributions in Temporal Changes of Firm-Size Variables},
 journal = {Economics: The Open-Access, Open-Assessment E-Journal},
 volume = {3},
 year = {2009},
 number = {2009-11},
 doi = {10.5018/economics-ejournal.ja.2009-11}, 
 url = {http://dx.doi.org/10.5018/economics-ejournal.ja.2009-11}
}