Wikipedia Pages Linking to www.survo.fi
Wikipedia Links
Anchor text: ”On certain cross sum puzzles”
Anchor text: ”Survo-ristikon vaikeuden arviointi”
Anchor text: ”Enumeration of uniquely solvable open Survo puzzles”
Anchor text: ”On the swapping method”
Anchor text: ”Survo Puzzle (5x5 quick game) as a Java applet”