@book{Krueger, author = {Krueger, G.}, title = {Leibniz. Die Hauptwerke, Stuttgart (Alfred Kr{\"o}ner Verlag) 1949.}, language = {de} } @article{Krueger, author = {Krueger, G.}, title = {Zur konstruktiven Integration der Schulsozialp{\"a}dagogik}, series = {R. G. Fischer (Ed.), Beitr{\"a}ge zur P{\"a}dagogik. Reader, Frankfurt (Rita G. Fischer Verlag) 1986, pp. 115-122.}, journal = {R. G. Fischer (Ed.), Beitr{\"a}ge zur P{\"a}dagogik. Reader, Frankfurt (Rita G. Fischer Verlag) 1986, pp. 115-122.}, language = {de} }