1. Ashford, R. A. H. (1994). The binary economics of Louis Kelso: A democratic private property system for growth and justice. In J. H. Miller (Hrsg.), Curing world poverty: The new role of property, social justice review (pp. 101–102).
2. BVerfGE. (1993). Rulings of the German Federal Constitutional Court, case of 26 May 1993 concerning the possession of rented apartments, BVerfGE, Vol. 89, p. 1ff, esp. p. 6; see compare also BVerfGE, Vol. 24, p. 267ff, esp. 389; Vol. 50, p. 290ff, esp. 339; Vol. 53, p. 257ff, esp. 289.
3. ESOP Association. (n.d.). ESOP statistics. Retrieved May 5, 2017, from
http://www.esopassociation.org/medialmedia_statistics.asp
.
4. Gauche, J. N. (2000). Binary economic models for the privatization of public assets. Journal of Socio-Economics, 8. Retrieved April 10, 2013, from
http://www.kelsoinstitute.org/pdflbinaryeconomicmodes.pdf
.
5. Herbes, C., Brummer, V., Rognli, J., Blazejewski, S., & Gericke, N. (2017). Responding to policy change: New business models for renewable energy cooperatives–barriers perceived by cooperatives’ members. Energy Policy, 109, 82–95.