@article {24439,
	title = {Mastering the complexity of environmental problem solving by the case study approach},
	journal = {Psychologische Beitr{\"a}gePsychologische Beitr{\"a}ge},
	volume = {No. 1/2, Volume 39},
	year = {1997},
	pages = {169-186},
	author = {Scholz, Roland W. and Mieg, Alard H. and Weber, Olaf}
}
