@article{SLC_1995_34_a5,
     author = {Robert Stoyan and Volker Strehl},
     title = {Enumeration of {Hamiltonian} {Circuits} in {Rectangular} {Grids}},
     journal = {S\'eminaire lotharingien de combinatoire},
     publisher = {mathdoc},
     volume = {34},
     year = {1995},
     url = {http://geodesic.mathdoc.fr/item/SLC_1995_34_a5/}
}