@BOOK {BESE:2009, title = {Promoting regional trade to enhance food security: a case study on the border region of Tanzania and Zambia}, author = {Bese, D. and Duchting, A. and Gebauer, H. and Gerken, A. and Maeda, C. and Manyong, V. and Rupschus, C. and Starosta, S. }, series = {Series S239}, year = {2009}, publisher = {SLE}, address = {Berlin}, isbn = {3-936602-43-3}, }