Brendan D. McKay, Ian M. Wanless. Most Latin Squares Have Many Subsquares. Journal of Combinatorial Theory, Series A, 86(2):323-347, 1999. [doi]
@article{McKayW99,
title = {Most Latin Squares Have Many Subsquares},
author = {Brendan D. McKay and Ian M. Wanless},
year = {1999},
doi = {10.1006/jcta.1998.2947},
url = {http://dx.doi.org/10.1006/jcta.1998.2947},
researchr = {https://researchr.org/publication/McKayW99},
cites = {0},
citedby = {0},
journal = {Journal of Combinatorial Theory, Series A},
volume = {86},
number = {2},
pages = {323-347},
}