On the asymptotic behavior of the maximum number of spanning trees in circulant graphs. - Zbigniew Lonc; Krzysztof Parol; Jacek Wojciechowski (Networks, 1997)

On the number of spanning trees in directed circulant graphs. - Zbigniew Lonc; Krzysztof Parol; Jacek Wojciechowski (Networks, 2001)