Serebryakov, V V
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1991: Wildfowl Special Issue No. 1 - SECTION ONE: DISTRIBUTION AND STATUS
Recent status of Mute Swans Cygnus olor in the Ukraine, USSR
Abstract -
1991: Wildfowl Special Issue No. 1 - SECTION FOUR: MIGRATION
The migration of swans Cygnus spp., in the Ukraine, USSR
Abstract PDF