@article{AM2_1976__14_136567,
     author = {I.F. Blake and J.J. Stiffler},
     title = {A construction method for generalized {Room} squares.},
     journal = {Aequationes mathematicae},
     pages = {83--94},
     publisher = {mathdoc},
     volume = {14},
     year = {1976},
     zbl = {0326.05017},
     url = {http://geodesic.mathdoc.fr/item/AM2_1976__14_136567/}
}