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Bruck, R. H., & Ryser, H. J. (1949). The nonexistence of certain finite projective planes. Canadian Journal of Mathematics, 1(1), 88–93. https://doi.org/10.4153/CJM-1949-009-2
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Montaron, B. (1985). On incidence matrices of finite projective planes. Discrete Mathematics, 56(2-3), 227-237. https://doi.org/10.1016/0012-365X(85)90029-9
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Paige, L. J., & Wexler, C. (1953). A canonical form for incidence matrices of finite projective planes and their associated latin squares. Portugaliae Mathematica, 12, 105-112.
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