Sim, Min Kyu, Deng, Shijie, and Huo, Xiaoming. What can cluster analysis offer in investing? - Measuring structural changes in the investment universe. Retrieved from https://par.nsf.gov/biblio/10285131. International Review of Economics & Finance 71.C Web. doi:10.1016/j.iref.2020.09.004.

Sim, Min Kyu, Deng, Shijie, & Huo, Xiaoming. What can cluster analysis offer in investing? - Measuring structural changes in the investment universe. International Review of Economics & Finance, 71 (C). Retrieved from https://par.nsf.gov/biblio/10285131. https://doi.org/10.1016/j.iref.2020.09.004

Sim, Min Kyu, Deng, Shijie, and Huo, Xiaoming. "What can cluster analysis offer in investing? - Measuring structural changes in the investment universe". International Review of Economics & Finance 71 (C). Country unknown/Code not available. https://doi.org/10.1016/j.iref.2020.09.004. https://par.nsf.gov/biblio/10285131.

@article{osti_10285131,
place = {Country unknown/Code not available}, title = {What can cluster analysis offer in investing? - Measuring structural changes in the investment universe}, url = {https://par.nsf.gov/biblio/10285131}, DOI = {10.1016/j.iref.2020.09.004}, abstractNote = {}, journal = {International Review of Economics & Finance}, volume = {71}, number = {C}, author = {Sim, Min Kyu and Deng, Shijie and Huo, Xiaoming}, editor = {null} }