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Input-output analysis and the multi-product firm
Stone, David, (1969)
Location of responsibility for product-policy decisions of United States-based multinational firms manufacturing consumer goods
Logar, Cyril M., (1980)
Diversification and market structure
Alcaly, Roger R., (1977)
Lineare Optimierung : Theorie und Anwendungen
Bol, Georg, (1980)
Stetigkeit und Effizienz bei mengenwertigen Produktionsfunktionen
Bol, Georg, (1973)
On technical efficiency measures : a remark
Bol, Georg, (1986)