@article{MM2_1974__13_154268,
     author = {H. Uehara and B. Al-Hashimi},
     title = {Steenrod {Squares} in {Cotor}},
     journal = {Manuscripta mathematica},
     pages = {275--296},
     publisher = {mathdoc},
     volume = {13},
     year = {1974},
     zbl = {0301.18004},
     url = {http://geodesic.mathdoc.fr/item/MM2_1974__13_154268/}
}