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Progress in statistics : European Meeting of Statisticians, Budapest (Hungary), 1972
Gani, J., (1974)
Principles of operations research : with applications to managerial decisions
Wagner, Harvey M., (1969)
Möglichkeiten und Grenzen der Anwendung des Warteschlangenmodelles bei investitionsplanerischen Entscheidungsfragen
Kegler, Klaus, (1966)
Inventory control with two switch-over levels for a class of M/G/1 queueing systems with variable arrival and service rate
Tijms, H. C., (1978)
Approximations for the delivery splitting model
Janssen, Fred, (1995)
Dedication versus flexibility in field service operations
Karaesmen, Fikri, (1998)