Research on dynamic layout when the sizes of departments are unequal has been carried out by among others, Lacksonen [7], and Montreuil and Venkatadri [8]. Formulations and detailed
reviews of these and other approaches to the DPLP can be found in Balakrishnan and Cheng [9].
Multi-period problems are applicable in other areas too, see Briec and Kerstens [10] for an example in portfolio analysis.