@INPROCEEDINGS {TATA-HANGY:2007a, title = {Changes in population abundance of the African root and tuber scale Stictococcus vayssierei Richard (Homoptera; Stictococcidae) on cassava in the Bas-Fleuve District in The Democratic Republic of Congo}, author = {Tata-Hangy, K. * and Hanna, R. and Toko, M. and Lema, K. and Solo, M. }, booktitle = {Proceedings of the 9th ISTRC-AB Symposium}, year = {2007}, pages = {574--582}, location = {Mombasa, Kenya}, note = {RTB; Root and Tuber; Cassava.; 1-5 Nov. 2004}, }