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