[1] T. G. OSTROM: Derivable nets. Canad. Math. Bull. 8 (1965), 601-613. MR 0194980 | Zbl 0137.40203

[2] T. G. OSTROM: Vector spaces and construction of finite projective planes. Arch. d. Math. 19 (1968), 1-25. MR 0226492 | Zbl 0153.49801

[3] B. I. DEMENTJEVA: Sobotvennyje kollineacii v k-setjach. Mat. issl.(Kišinev), 4:1/1969), 161-167.

[4] B. D. BELOUSOV: Algebraičeskije seti i kvazigrupy. Kišinev 1971.

[5] J. KLOUDA: Improper collineations in k-nets of order $(k-1)^2$. submitted to Geometriae Dedicate.

[6] H. THIELE: Gewebe, deren Ternärkörper aus einem Vektorraum herrorgeht. Mitteilungen Math. Sem. Gieseen, Heft 140 (1979), 31-79. MR 0542564

[7] I. V. LJACH: O nesobstvennych kollineacijach v algebraičeskich setjach. Izv. AN Mold. SSR, ser. fiz.-mat. nauk, 1980, Nr. 2, 16-20.