- Lower Silesian Voivodeship
| Borkowska, M. (1961) Notes of the lime silicate rocks from Samborowiczki in the Strzelin Granite Massif (Lower Silesia). Bulletin de L'Academie Polonaise des Sciences. Série des sciences géologiques et géographiques 9/1, 23–28. |
Gębczyce skarn quarry, Gmina Strzelin, Strzelin County, Lower Silesian Voivodeship, Poland