author = { Hughes, K.J. AND Magette, W.L. AND Kurz, I. },

title = { Identifying critical source areas for phosphorus loss in Ireland using field and catchment scale ranking schemes },

publisher = {Elsevier BV},

isbn = {0022-1694},

year = {2005},

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