![Farrington Patrick. Hinges and automorphisms of the degrees of non-constructibility. The journal of the London Mathematical Society, ser. 2 vol. 28 (1983), pp. 193–202.Hájek Petr. Some results on degrees of constructibility. Higher set theory, Proceedings, Oberwolfach, Germany, April 13–23, 1977, edited by Müller G. H. and Scott D. S., Lecture notes in mathematics, vol. 669, Springer-Verlag, Berlin, Heidelberg, and New York, 1978, pp. 55–71.Adamowicz Zofia. On finite lattices of degrees of constructibility of reals. The journal of symbolic logic, vol. 41 (1976), pp. 313–322.Adamowicz Zofia. Constructive semi-lattices of degrees of constructibility. Set theory and hierarchy theory V, Bierutowice, Poland 1976, edited by Lachlan A., Srebrny M., and Zarach A., Lecture notes in mathematics, vol. 619, Springer-Verlag, Berlin, Heidelberg, and New York, 1977, pp. 1–43.]()
Farrington Patrick. Hinges and automorphisms of the degrees of non-constructibility. The journal of the London Mathematical Society, ser. 2 vol. 28 (1983), pp. 193–202.Hájek Petr. Some results on degrees of constructibility. Higher set theory, Proceedings, Oberwolfach, Germany, April 13–23, 1977, edited by Müller G. H. and Scott D. S., Lecture notes in mathematics, vol. 669, Springer-Verlag, Berlin, Heidelberg, and New York, 1978, pp. 55–71.Adamowicz Zofia. On finite lattices of degrees of constructibility of reals. The journal of symbolic logic, vol. 41 (1976), pp. 313–322.Adamowicz Zofia. Constructive semi-lattices of degrees of constructibility. Set theory and hierarchy theory V, Bierutowice, Poland 1976, edited by Lachlan A., Srebrny M., and Zarach A., Lecture notes in mathematics, vol. 619, Springer-Verlag, Berlin, Heidelberg, and New York, 1977, pp. 1–43.Lubarsky, Robert · The Journal of Symbolic Logic · 1989