Patterson, George N.
The Uniquet frontier : border tensions in the Sino-Soviet conflict / George N. Patterson
International Studies Group, 1966.
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Cole, John W.
The Hidden frontier
Academic Press, 1974
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Quality and qualities: tensions in education reforms
Clementina Acedo, Don Adams, Simona Popa, editor
[Sense, ], 2012
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Crossing the border
Russel Sage Foundation, 2004
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Kokot, Jozef
The logic of the Oder-Neisse frontier
Wydawnictwo Zachodnie, 1957
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