1. Möbius, F.A.: Über die Bestimmung des Inhaltes eines Polyeders (On the determination of the volume of a polyhedron). Ber. Verh. Sächs. Ges. Wiss. 17, 31–68 (1865); Gesammelte Werke, Band II (Collected Works, vol. II), p. 484. Hirzel, Leipzig (1886)
2. Maschke, H.: Note on the unilateral surface of Moebius. Trans. Am. Math. Soc. 1, 39 (1900)
3. Scheffers, G.: Einführung in die Theorie der Flächen (2. Aufl.) (Introduction to the Theory of Surfaces, 2nd edn.), pp. 41–43. Veit, Leipzig (1913)
4. Weyl, H.: Die Idee der Riemannschen Fläche (The Concept of the Riemann Surface), p. 26. Teubner, Leipzig (1913)
5. Krames, J.: Die Regelfläche dritter Ordnung, deren Striktionslinie eine Ellipse ist (The ruled surface of order 3 whose line of striction is an ellipse). Sitzber. Akad. Wiss. Wien 127, 563–568 (1918) (Wunderlich comment: The strange and distinguishing feature determined therein is that the line of striction, which in general is of eighth order for cubic ruled surfaces, reduces to an ellipse in the presented special case by means of splitting of minimal generators)