@article {20037, title = {Contribution a l{\textquoteright}{\'e}tude du genre Beilschmiedia de l{\textquoteright}Afrique tropicale}, journal = {Bulletin du Jardin botanique de l{\textquoteright}{\'E}tat {\`a} Bruxelles}, volume = {20}, year = {1950}, pages = {197-226.}, chapter = {197}, author = {Robyns, W. and Wilczek, Rudolf} } @article {20039, title = {Une espece nouvelle d{\textquoteright}Ocotea (Lauraceae) du Kenya}, journal = {Bulletin du Jardin botanique de l{\textquoteright}{\'E}tat {\`a} Bruxelles}, volume = {30}, year = {1960}, pages = {1-4}, chapter = {1}, url = {http://www.jstor.org/stable/3667111}, author = {Robyns, W.} } @inbook {20038, title = {Lauraceae}, booktitle = {Flore du Congo Belge et du Ruanda-Urundi}, volume = {2}, year = {1951}, pages = {403-445}, publisher = {Jardin Botanique National de Belgique}, organization = {Jardin Botanique National de Belgique}, address = {Bruxelles}, author = {Robyns, W. and Wilczek, Rudolf} } @article {20037, title = {Contribution a l{\textquoteright}{\'e}tude des Laurac{\'e}es du Congo Belge et de l{\textquoteright}Afrique tropicale}, journal = {Bulletin du Jardin botanique de l{\textquoteright}{\'E}tat {\`a} Bruxelles}, volume = {19}, year = {1949}, pages = {457-507}, chapter = {457}, author = {Robyns, W. and Wilczek, Rudolf} }