@article{JAC_2009__30_3_a1,
     author = {Blok, R.J. and Cardinali, I. and De Bruyn, B. and Pasini, A.},
     title = {Polarized and homogeneous embeddings of dual polar spaces},
     journal = {Journal of Algebraic Combinatorics},
     pages = {381--399},
     publisher = {mathdoc},
     volume = {30},
     number = {3},
     year = {2009},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/JAC_2009__30_3_a1/}
}