@article {55, title = {An introduction to the immature stages of British flies.}, journal = {Handbooks for the identification of British Insects}, volume = {10(14)}, year = {1989}, month = {1989}, pages = {1-280}, chapter = {1}, author = {Smith, K.G.V.} } @article {24, title = {Norellia spinipes in London.}, journal = {British Journal of Entomology and Natural History}, volume = {2}, year = {1989}, month = {1989}, pages = {63}, author = {Godfrey, A.} } @article {31, title = {A record of Ernoneura argus (Zett.) (Dipt., Scathophagidae) from Perthshire.}, journal = {Entomologist{\textquoteright}s monthly Magazine}, volume = {125}, year = {1989}, month = {1989}, pages = {230}, author = {Horsfield, D.} } @article {39, title = {The biology and early stages of Ernoneura argus Zetterstedt (Diptera, Scathophagidae).}, journal = {Entomologist{\textquoteright}s Gazette}, volume = {40}, year = {1989}, month = {1989}, pages = {161-164}, author = {Nelson, J.M.} }