@Article{dbt_mods_00051512,
  title = 	{European journal of operational research: EJOR},
  year = 	{1977},
  publisher = 	{Elsevier},
  address = 	{Amsterdam [u.a.]},
  issn = 	{0377-2217},
  url = 	{https://www.db-thueringen.de/receive/dbt_mods_00051512},
  url = 	{http://www.bibliothek.uni-regensburg.de/ezeit/?1501061},
  url = 	{http://www.sciencedirect.com/science/journal/03772217},
  url = 	{http://uri.gbv.de/document/gvk:ppn:306713470},
  language = 	{en}
}