@article{JRAM_1997__491_153950, author = {M.G. Eastwood and K.P. Tod}, title = {Local constraints on {Einstein-Weyl} geometries.}, journal = {Journal f\"ur die reine und angewandte Mathematik}, pages = {183--198}, year = {1997}, volume = {491}, zbl = {0876.53029}, url = {http://geodesic.mathdoc.fr/item/JRAM_1997__491_153950/} }