Metsar, L. (1948). Report on the excavation of a stone grave located on the north corner of the limestone quarry of Kilgiaugu in Käku village at Kaarma parish. (EST: Aruanne Kaarma valla Käku küla Kilgiaugu paemurru põhjakaldal asuva kivikalme kaevamisest.) 13. VIII-27. VIII 1948.a.