//-->
Modelle der Mehrgueterproduktion und spezielle Input- und Outputstrukturen
Bol, Georg, (1980)
Diversification through acquisition : strategies for creating economic value
Salter, Malcolm S., (1979)
Corporate growth and diversification
Berry, Charles H., (1975)
Input-output analysis and the multiproduct firm
Stone, David, (1970)
Mobile : more than a magic moment for marketers?
Stone, David, (2012)
An economic approach to planning the conglomerate of the 70's