Paper  bibtex   

@article{Knoke.,
 author = {Knoke, Thomas and Clasen, Christiian and Paul, Carola and Friedrich, Stefan},
 title = {{\"O}konomische Kalkulationen sprechen oft f{\"u}r Naturverj{\"u}ngung},
 url = {\url{https://mediatum.ub.tum.de/doc/1326711/1326711.pdf}},
 pages = {42--45},
 volume = {2016},
 number = {17},
 journal = {Allgemeine Forst Zeitschrift f{\"u}r Waldwirtschaft und Umweltvorsorge  71}
}