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Consortium of Swiss Academic Libraries

The Clique Problem in Intersection Graphs of Ellipses and Triangles

Ambühl, Christoph ; Wagner, Uli

In: Theory of Computing Systems, 2005, vol. 38, no. 3, p. 279-292

Consortium of Swiss Academic Libraries

Leonhard Euler's early lunar theories 1725-1752 : Part 2: developing the methods, 1730-1744

Verdun, Andreas

In: Archive for History of Exact Sciences, 2013, vol. 67, no. 5, p. 477-551

Consortium of Swiss Academic Libraries

Solar Variability Over the Past Several Millennia

Beer, J. ; Vonmoos, M. ; Muscheler, R.

In: Space Science Reviews, 2006, vol. 125, no. 1-4, p. 67-79