@article{Siebert+1988+195+225, url = {https://doi.org/10.3790/schm.108.2.195}, title = {Langfristige Lieferverträge im internationalen Ressourcenhandel}, title = {}, author = {Horst Siebert}, pages = {195--225}, volume = {108}, number = {2}, journal = {Journal of Contextual Economics – Schmollers Jahrbuch}, doi = {doi:10.3790/schm.108.2.195}, year = {1988}, lastchecked = {1988-02-01} }