Selinger, J., & Nelson, D. (1988). Theory of hexatic-to-hexatic transitions. Physical Review Letters. https://doi.org/10.1103/physrevlett.61.416
Selinger, Jonathan, and David Nelson. 1988. “Theory of Hexatic-to-Hexatic Transitions”. Physical Review Letters. https://doi.org/10.1103/physrevlett.61.416.
Selinger, J., and D. Nelson. Theory of Hexatic-to-Hexatic Transitions. Physical Review Letters, 25 July 1988, doi:10.1103/physrevlett.61.416.