@ARTICLE {YOUM:2011, title = {International trade and exotic pests: the risks for biodiversity and African economies}, author = {Youm, O. and Vayssieres, J. and Togola, A. and Robertson, S. and Nwilene, F. E. }, journal = {Outlook on Agriculture}, year = {2011}, month = {March}, volume = {40}, number = {1}, pages = {59--70}, issn = {0030-7270}, doi = {10.5367/oa.2011.0031}, }