GRAPHENALGORITHMEN + GEOMETRISCHE ALGORITHMEN (GRAPHENTHEORIE); STATISTISCHE ANALYSE RÄUMLICHER DATEN (MATHEMATISCHE STATISTIK); PROGRAMS AND ALGORITHMS FOR THE SOLUTION OF SPECIAL PROBLEMS; HYPERGRAPHEN (GRAPHENTHEORIE); PROGRAMME UND ALGORITHMEN ZUR LÖSUNG SPEZIELLER PROBLEME; SPATIAL STATISTICS (MATHEMATICAL STATISTICS); GRAPH ALGORITHMS + GEOMETRIC ALGORITHMS (GRAPH THEORY); HYPERGRAPHS (GRAPH THEORY)