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References
- ↑ "Obituaries | Columbia College Today". college.columbia.edu. Retrieved 2022-03-18.
- ↑ Jerome K. Percus, George J. Yevick (1958), "Analysis of Classical Statistical Mechanics by Means of Collective Coordinates", Physical Review (in German), vol. 110, no. 1, pp. 1-13, doi:10.1103/PhysRev.110.1
