Technologie in bedrijfskunde / door T. ReithA model of aggregate production : an empirical analysis / door Sybrand Schim van der LoeffA quantitative comparison of production and inventory control concepts / Peter Elisabert Theodorus StriekwoldThe allocation of time and money in one-earner and two-earner families : an economic analysis / Maximiliaan Eitel HomanPools and pooling : optimal capacities determined by mathematical methods / Dirk Klaas LeegwaterProduceren door informeren : informatie-eisen voor verschillende produktiesituaties / door Theodorus Michael Joannes van Rijn