The "Keros Hoard": Provenance of the figurines and possible sources of marble in the Cyclades - Maniatis, Yannis ca. 20./21. Jh; Sōtērakopulu, Panagiōta I. ca. 20./21. Jh; Polikreti, Kyriaki; Dotsika, E.; Tzavidopulos, E. (2009)