Document 1488
Shergalin, J.E. 1994. Canada Geese and Great Cormorants As A Threat For Aviation In The Eastern Baltic Area. Proceedings of the International Bird Strike Committee, Vienna, Austria IBSC22/WP2:21-24.
Shergalin, J.E. 1994. Canada Geese and Great Cormorants As A Threat For Aviation In The Eastern Baltic Area. Proceedings of the International Bird Strike Committee, Vienna, Austria IBSC22/WP2:21-24.
