[Aljanabi, M.S., Martinez, I. (1997). Universal and rapid Salt-extraction of high quality genomic DNA for PCR- based techniques. Nucleid Acids Research, 25(22), 1772-1773.10.1093/nar/25.22.46921470789358185]Search in Google Scholar
[Bauer, K., Glutz von Blotzheim, U. (1968). Handbuch der Vögel Mitteleuropas. Frankfurt am Main: Akademische Verlagsgesellschaft. 534 pp.]Search in Google Scholar
[Bauer, K., Glutz von Blotzheim, U. (1969). Handbuch der Vögel Mitteleuropas. Frankfurt am Main: Akademische Verlagsgesellschaft. 503 pp.]Search in Google Scholar
[Cramp, S., Simmons, K. (eds.). (1977). Handbook of the Birds of Europe, the Middle East and North Africa. Oxford: Oxford University Press. 722 pp.]Search in Google Scholar
[Delany, S., Scott, D. (2002). Waterbird Population Estimates. Third edition. Wetlands International Global Series, 12. Wageningen: Wetlands International. 226 pp.]Search in Google Scholar
[Kurlavičius, P. (ed.). (2006). Lithuanian Breeding Bird Atlas. Kaunas: Lutute. 251 pp. (in Lithuanian).]Search in Google Scholar
[Mednis, A., Viksne, J., Stipniece, A. (2003). Populations of Garganey and Shoveler in Latvia. In: Svazas S., Viksne J., Kuresoo A., Kozulin A. (eds.). The Garganey Anas querquedula and Shoveler Anas clypeata in the Baltic States and Belarus (pp. 51-71). Vilnius: OMPO Vilnius.]Search in Google Scholar
[Monval, J.-Y., Pirot, J.-Y. (1989). Results of the IWRB International Waterfowl Census 1967-1986. IWRB Special Publication No. 8., Slimbridge, UK. 145 pp.]Search in Google Scholar
[Renno, O. (compiler). (1993). The Atlas of Breeding Birds of Estonia. Tallinn: Valgus. 255 pp.]Search in Google Scholar
[Scott, D., Rose, P. (1996). Atlas of Anatidae Populations in Africa and Western Eurasia. Wetlands International Publ. 336 pp.]Search in Google Scholar
[Snow, D.W., Perrins, C.M. (1998). The Birds of the Western Palearctic. Concise Edition. Vol. 1. Non-Passeres. Oxford University Press. 1008 pp.]Search in Google Scholar
[Sorenson, M.D., Fleischer, R.C. (1996). Multiple independent transpositions of mitochondrial DNA control region sequences to the nucleus. Proc. Natl. Acad. Sci. USA, 93, 15239-1524310.1073/pnas.93.26.15239263878986794]Search in Google Scholar
[Sruoga, A., Butkauskas, D., Svazas, S., Bea, A., Mozaliene, E. (2005). Identification of flyways of woodpigeon (Columba palumbus) in Europe by using genetic methods. Acta Zoologica Lituanica, 15(3), 248-253.10.1080/13921657.2005.10512618]Search in Google Scholar
[Stanevicius, V., Svazas, S., Raudonikis, L. (2003). Populations of Garganey and Shoveler in Lithuania. In: Svazas S., Viksne J., Kuresoo A., Kozulin A. (eds.). The Garganey Anas querquedula and Shoveler Anas clypeata in the Baltic States and Belarus (pp. 71-89). Vilnius: OMPO Vilnius.]Search in Google Scholar
[Strazds, M. (red.) (1999). Latvijas ūdeņu putni [Latvian Waterbirds]. Rīga: Latvijas Ornitologijas Biedrība. 201 lpp. (in Latvian).]Search in Google Scholar
[Strazds, M., Priednieks, J., Vāveriņš, G. (1994). Latvijas putnu skaits [Bird numbers in Latvia]. Putni Dabā, Nr. 4, 3-18 (in Latvian).]Search in Google Scholar
[Svazas, S., Patapavicius, R., Dagys, M. (2001). Changes of wintering sites of certain waterfowl populations of Lithuanian origin according to ringing recoveries. In: Svazas, S., Meissner, W., Serebryakov, V., Kozulin, A., Grishanov, G. (eds.). Changes of Wintering Sites of Waterfowl in Central and Eastern Europe (pp. 56-64). Vilnius: OMPO Vilnius.]Search in Google Scholar
[Viksne, J. (1997). The Bird Lake Engure. Riga: Jāņa Sēta, 110 pp.]Search in Google Scholar
[Zalakevicius, M. (1995). Birds of Lithuania. Acta Ornithologica Lituanica, 11 (Special Issue). 110 pp.]Search in Google Scholar
[Блумс П., Козеллек К.П., Гудец Л. (1989). Pochard - Aythya ferina (L.). В кн.: Миграции птиц Восточной Европы и Северной Азии. Пластинчаткоклювые(с. 63-135). Павлов Д.С. и Виксне Я.А. (oтв. ред.). Москва: Наука (in Russian).]Search in Google Scholar
[Кац Е.Б., Kривоносов Г.А., Реутский Н.Д. (1997). Чирок-трескунок [Garganey Anas querquedula L.]. Вкн Павлов Д С., Бианки В В., Добринина И.Н. (o.ред.). Миграции птиц Восточной Европы иСеверной Азии (с. 246-296). Пластинчаткоклювые. Речные утки. Москва: Наука (in Russian).]Search in Google Scholar
[Мальчевский А. С., Пукинский Ю. Б. (1983). Птицы Ленинградской области и сопредельных территорий: история, биология, охрана [The Birds of Leningrad Region and Adjacent Territories: History, Biology, Conservation]. Ленинград: Изд - во Ленинградского университета. Том 1. 480 с. (in Russian).]Search in Google Scholar