A normalized weakly null sequence with no shrinking subsequence in a Banach space not containing ${\ell }_1$

Odell, E.

Compositio Mathematica, Volume 41 (1980) p. 287-295

Subspaces of $L_p$ which embed into $l_p$

Johnson, W. B.; Odell, E.

Compositio Mathematica, Volume 28 (1974) p. 37-49