@article{AM2_1971__6_136198,
     author = {L. EIFLER and K.B. JR. REID and D. ROSELLE},
     title = {Sequences with {Adjacent} {Elements} {Unequal}},
     journal = {Aequationes mathematicae},
     pages = {256--262},
     publisher = {mathdoc},
     volume = {6},
     year = {1971},
     zbl = {0222.05006},
     url = {http://geodesic.mathdoc.fr/item/AM2_1971__6_136198/}
}