@article{MM2_1997__93_4_156295, author = {Brett McInnes}, title = {On space forms of {Grassmann} manifolds.}, journal = {Manuscripta mathematica}, pages = {205--218}, year = {1997}, volume = {93}, number = {4}, zbl = {0879.53029}, url = {http://geodesic.mathdoc.fr/item/MM2_1997__93_4_156295/} }