@article{GDZPPN002037459, title = {Edge-coloured designs with block size four.}, journal = {Aequationes mathematicae}, volume = {36}, year = {1988}, pages = {230-245}, zbl = {0658.05016}, url = {http://dml.mathdoc.fr/item/GDZPPN002037459} }
Colbourn, C.J.; Stinson, Douglas R. Edge-coloured designs with block size four.. Aequationes mathematicae, Tome 36 (1988) pp. 230-245. http://gdmltest.u-ga.fr/item/GDZPPN002037459/