[1] Martin G. E.: Projective planes and isotopic ternary rings. Amer. Math. Monthly 74 (1967), 1185-1195. MR 0223972 | Zbl 0164.51401

[2] Martin G. E.: Projective planes and isogeic ternary rings. Estratto "Le matematiche", 23, 1 (1968), 185-196. MR 0240716 | Zbl 0188.24404

[3] Klucky D.: Natural planar ternary rings. Acta Univ. Palacki. Olomuc., Fac. rer. nat., 69 (1981), 47-57. MR 0645887 | Zbl 0483.51003

[4] Klucky D., Markova L.: Ternary rings with a left quasi-zero belonging to translation planes. Acta Univ. Palacki. Olomuc., Fac. rer. nat., 65 (1980), 89-100. MR 0630371 | Zbl 0492.51002