http://serengeti.org/download/ Tourism.pdf
http://www.theecologist.org/ News/news_round_up/563507/ tanzanias_serengeti_highway_ plan_could_destroy_major_ carbon_sink.html
http://blueplanetbiomes.org/ african_savanna_plant_page.htm
http://books.google.com/books?id=YRybBlahRGUC&ei=HUy9UKm_CongkgSS44Fo
http://blueplanetbiomes.org/