@article{CMH_1981__56_139877,
     author = {H.J. Munkholm and E.K. Pedersen},
     title = {Whitehead transfers for {S1-bundles,} an algebraic description.},
     journal = {Commentarii mathematici Helvetici},
     pages = {404--430},
     publisher = {mathdoc},
     volume = {56},
     year = {1981},
     zbl = {0483.57011},
     url = {http://geodesic.mathdoc.fr/item/CMH_1981__56_139877/}
}