Comments on: R. L. Graham and B. D. Lubachevsky, Repeated Patterns of Dense Packings of Equal Disks in a Square

Comment by the authors, June 8, 1996:
It should be pointed out that the packings presented in the precursor of the present paper, the article by K.J. Nurmela and P.R.J. Ostergard, were not in fact conjectured there to be optimal, as opposed to what might be inferred from section 1.