Goutner, V., & Papakostas, G. (?????.).  (1992).  Evaluation of the ornithological importance of the Alyki Kitrous wetland, Macedonia, Greece: a priority for conservation. Biological ConservationBiological Conservation, 61, 131-138.

Goutner, V., Papakostas, G., & Economidis, P. S. (?????.).  (1997).  Diet and growth of great cormorant (Phalacrocorax carbo) nestlings in a mediterranean estuarine environment (Axios Delta, Greece). Israel Journal of ZoologyIsrael Journal of Zoology, 43, 133-148. ????????????? ??? 1997///.

Goutner, V., Furness, R. W., & Papakostas, G. (?????.).  (2001).  Mercury in feathers of Squacco Heron (Ardeola ralloides) chicks in relation to age, hatching order, growth, and sampling dates. Environmental PollutionEnvironmental Pollution, 111, 107-15.

Papakostas, G., Kazantzidis, S., Goutner, V., & Charalambidou, I. (?????.).  (2005).  Factors affecting the foraging behavior of the Squacco Heron. WaterbirdsWaterbirds, 28, 28-34. ????????????? ??? 2005///.

Albanis, T. A., Hela, D., Papakostas, G., & Goutner, V. (?????.).  (1996).  Concentration and bioaccumulation of organochloride pesticide residues in herons and their prey in wetlands of Thermaikos Gulf, Macedonia, Greece. Science of the Total EnvironmentScience of the Total Environment, 182, 11-19.