author = { Chianu, Jonas Nwankwo AND Tsujii, Hiroshi AND Kormawa, Patrick },

title = { Agriculture in the Savannas of Northern Nigeria : Pressures, Transformations, Damage and Coping Strategies Pressures, Transformations, Damage and Coping Strategies },

publisher = {SAGE Publications},

isbn = {0030-7270},

isbn = {2043-6866},

keywords = { Agronomy and Crop Science , Animal Science and Zoology , Ecology },

year = {2004},

url = { http://slubdd.de/katalog?TN_libero_mab2 }