@article {11394, title = {An N.M.R. study of the barrier to internal rotation, the molecular structure and the indirect spin-spin coupling constants of o -xylene partially oriented in a nematic phase}, journal = {Molecular Physics}, volume = {24}, year = {1972}, month = {09/1972}, pages = {489 - 495}, issn = {1362-3028}, doi = {10.1080/00268977200101631}, author = {Burnell, E. E. and Diehl, P.} }