%0 Journal Article %A Carlson, J. %A Clemens, H. %A Morgan, J. %T On the mixed Hodge structure associated to $\pi _3$ of a simply connected complex projective manifold %J Annales scientifiques de l'École Normale Supérieure %D 1981 %P 323-338 %V 14 %N 3 %I Elsevier %U http://www.numdam.org/articles/10.24033/asens.1408/ %R 10.24033/asens.1408 %G en %F ASENS_1981_4_14_3_323_0