Следующие:
Ardamatskaya T.B., Sabinevsky B.V. The distribution and status of waterfowl in the Northen Black Sea Region in winter // Managing waterfowl Populations. – Slimbridge, 1990. – S.39-42.
Ardamatskaya T.B. and Korzyukov A.I. Numbers and distribution of Mute Swans Cygnus olor, Whooper Swans C. cygnus and Bewick’s Swans C. bewickii in the Black Sea area of the Ukraine USSR / Wildfowe supplement number 1. Third International Swans Symposium. Slimbridge, 1991. – P.53-55.
В любом виде.
Ardamatskaya T.B., Sabinevsky B.V. The distribution and status of waterfowl in the Northen Black Sea Region in winter // Managing waterfowl Populations. – Slimbridge, 1990. – S.39-42.
Ardamatskaya T.B. and Korzyukov A.I. Numbers and distribution of Mute Swans Cygnus olor, Whooper Swans C. cygnus and Bewick’s Swans C. bewickii in the Black Sea area of the Ukraine USSR / Wildfowe supplement number 1. Third International Swans Symposium. Slimbridge, 1991. – P.53-55.
В любом виде.