@article{CMH_1970__45_139457,
     author = {David L. Rector},
     title = {Steenrod {Operations} in the {Eilenberg-Moore} {Spectral} {Sequence.}},
     journal = {Commentarii mathematici Helvetici},
     pages = {540--552},
     publisher = {mathdoc},
     volume = {45},
     year = {1970},
     zbl = {0209.27501},
     url = {http://geodesic.mathdoc.fr/item/CMH_1970__45_139457/}
}