@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/} }