@book{6248,
	author = {Prescott, J. R. V. and Prescott, J. R. V.},
	title = {Political frontiers and boundaries /},
	publisher = {Allen & Unwin,},
	year = {1987.},
	address = {London ;},
	note = {Rev. and expanded ed. of: Boundaries and frontiers. 1978.}
}