@article {133, title = {Un mode curieux d{\textquoteright}introduction de phan{\'e}rogames adventices par les fumures}, journal = {Dumortiera}, volume = {19-20}, year = {1981}, pages = {26-28}, chapter = {26}, author = {A. Sotiaux and Roegiers and De Zuttere} } @article {80, title = {Contribution a une Meilleure Connaissance du Genre Azolla Dans Le Territoire De La Nouvelle Flore}, journal = {Dumortiera}, volume = {13}, year = {1979}, month = {11/1979}, pages = {1-5}, chapter = {1}, author = {A. Sotiaux} }