Hone, Andrew N. W. (2006), "Dodgson condensation, alternating signs and square ice", Philosophical Transactions of the Royal Society of London, 364 (1849): 3183–3198, doi:10.1098/rsta.2006.1887, MR2317901
Hone, Andrew N. W. (2006), "Dodgson condensation, alternating signs and square ice", Philosophical Transactions of the Royal Society of London, 364 (1849): 3183–3198, doi:10.1098/rsta.2006.1887, MR2317901