(1) http://link.springer.com/article/10.1007%2Fs12011-010-8683-4#
(2) http://www.esajournals.org/doi/pdf/10.1890/0012-9623-91.4.432
(3) www.britishecologicalsociety.org
(4) www.blackwellpublishing.com/pdf/ajerevpanel.pdf
(5) http://www.ecir.org/alumni/alum-of-the-year/
(6) www.network.nature.com/profile/UC2A108FD
(7) www.facebook.com/public/Emmanuel-Tyokumbur