Ábrahám Levente (szerk.): Válogatott tanulmányok IX. - Natura Somogyiensis 24. (Kaposvár, 2014)

Tóth S.: Additional data to the Hoverfly fauna of South West Bulgaria (Diptera: Syrphidae)

Tóth S.: Additional data to the Hoverfly fauna of SW Bulgaria

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Fig. 2: The landscape from Rila valley

Fig. 2: Collecting sites surrounding Melnik