Survey of arctic bird migration and staging areas at the White Sea, in the autumns of 1999 and 2004 - Lehikoinen, Aleksi (Finnish Environment Institute, Expert Services Department : distributor: Edita Publishing, 2006)
Keywords: migraatio (biologia); linnut; lintulaskennat; vesilinnut; arktinen alue; muuttolinnut; Vienanmeri; Venäjä