- vom 5.12.2023
Underwriter reputation and the quality of certification
evidence from high-yield bondsWuppertal : Bergische Univ. Wuppertal, 2013
- vom 3.3.2022
Untapped: understanding the consumer in circular economy activities
empirical case studies on consumer behavior and motivation in the context of circular economyWuppertal, September 2020
- vom 18.12.2020

The use of sewage sludge hydrochar for improving soil fertility in the Cerrado region of Brazil
scientific effects and social acceptanceWuppertal, 2019
