@article{JDM_1910__19_145208,
     author = {Friedrich Engel},
     title = {Herman {Gra{\ss}mann.}},
     journal = {Jahresbericht der Deutschen Mathematiker-Vereinigung},
     pages = {1--13},
     publisher = {mathdoc},
     volume = {19},
     year = {1910},
     url = {http://geodesic.mathdoc.fr/item/JDM_1910__19_145208/}
}