1. Stahlberg R. High-temperature recycling and minimization of environmental pollution through complete thermal-chemical material conversion. MUT International Congress for Environmental Engineering and Research. Basel, October 1992, pp. 7–22.
2. Kiss G, Marfiewicz W, Riegel J, Stahlberg R. Thermoselect—recovery of energy and raw materials from waste. In: Schweitzer FJ, editor. The thermoselect process for the degasification and gasification of wastes. Berlin: EF-Verlag 1994. p. 21–55.
3. Feuerriegel U, Künsch M, Stahlberg R, Steiger F. In Schweitzer FJ, editor. The material and energy balance of the thermoselect process: the thermoselect process for the degasification and gasification of wastes. Berlin, EF-Verlag, 1994. p. 69–84.
4. Thermoselect—energy and raw materials recovery, part 1: process foundation for the continuous utilization of waste;Stahlberg;Chem Technik,1994
5. Thermoselect—energy and raw materials recovery, part 2: studies of the thermoselect plant in fondotoce (italy), product quality and proof of the distribution of the chemical elements in the material flows;Stahlberg;Chem Technik,1995