• Outward foreign direct investment from the Baltic States as a factor of regional integrationKilvits, Kaarel; Purju, AlariThe future of Europe : relations between the enlarging European Union and Russia and Ukraine : proceedings of the international seminar held in Budapest on 7-8 June 20022003 / p. 109-123 https://www.econstor.eu/bitstream/10419/90213/1/769530931.pdf