@article{NMARSBB_1843__16_182506,
     author = {Ch. Morren and Viet. de Ville},
     title = {4. {Observations} botaniques, faites \`a {Li\`ege,} en 1842.},
     journal = {Nouveaux m\'emoires de l 'Acad\'emie Royale des Sciences et Belles-Lettres de Bruxelles},
     pages = {89--107},
     publisher = {mathdoc},
     volume = {16},
     year = {1843},
     url = {http://geodesic.mathdoc.fr/item/NMARSBB_1843__16_182506/}
}