Carvalheiro L. G., Seymour C. L., Nicolson S. W. and Veldtman R. (2012) Creating patches of native flowers facilitates crop pollination in large agricultural fields: mango as a case studyJournal of Applied Ecology 49 (6): 1374-1384. http://onlinelibrary.wiley.com/doi/10.1111/j.1365-2664.2012.02217.x/abstract