8Pierantonio Cinzano(editor). IDA European Meeting Report. Italy:Light pollution science and technology institute,2002
9Bergen F, Abs M. Etho - ecological study of the singing activity of blue tit (Parus caeruleus), great tit( Parus major) and chaffinch ( FringiUa eoelebs). J Ornithol, 1997.138 : 451 - 467
10Jason J, Charles M Francis. The effects of light characteristics on avian mortality at lighthouses. Journal of Avian Biology, 2003,34 : 328 - 333
