Zhelezov, G., Varbanov, M., Germ, M., Gaberscik, A. Hidrological characteristic and related ecosystem services of the lakes Stebarna and Cerkknica. София: 2011 с. 107-118,.
Zhelezov, G., Varbanov, M., Germ, M., Gaberscik, A. Hidrological characteristic and related ecosystem services of the lakes Stebarna and Cerkknica. София: 2011 с. 107-118,.
Zhelezov, G., Varbanov, M., Germ, M., Gaberscik, A. (2011) Hidrological characteristic and related ecosystem services of the lakes Stebarna and Cerkknica, София: с. 107-118,.
Zhelezov, G., Varbanov, M., Germ, M., & Gaberscik, A. (2011). Hidrological characteristic and related ecosystem services of the lakes Stebarna and Cerkknica. София: с. 107-118.
Zhelezov G, Varbanov M, Germ M, Gaberscik A. Hidrological characteristic and related ecosystem services of the lakes Stebarna and Cerkknica. София: 2011. p. с. 107-118.
