BARTOLINI, Stefano. Exit options, boundary, building, political structuring : sketches of a theory of large-scale territorial and membership "retrenchment/differentiation" versus "expansion/integration" (with reference to the European Union). San Domenico (FI) : European University Institute, 1998. 54 s. EUI Working paper SPS, No. 98/1. [Copy count : 1, currently available 1, at library only 0]