Evidence by proton NMR of the alignment of a thermotropic nematic polymer by a magnetic field of ∼ 1 tesla F. Volino, A.F. Martins, R.B. Blumstein et A. Blumstein J. Physique Lett., 42 13 (1981) 305-307 DOI: 10.1051/jphyslet:019810042013030500