@article{Neumann+Klein+1982+165+187, url = {https://doi.org/10.3790/ccm.15.2.165}, title = {Probleme der Theorie effizienter Märkte und ihrer empirischen Überprüfung}, title = {}, author = {Manfred J. M. NeumannMartin Klein}, pages = {165--187}, volume = {15}, number = {2}, journal = {Credit and Capital Markets – Kredit und Kapital}, doi = {doi:10.3790/ccm.15.2.165}, year = {1982}, lastchecked = {1982-02-01} }