PLASTIC ARTS

THE SWASTIKA FROM ORIGINS THROUGH PRESENT DAYS
Fernando Augusto Rodrigues Coimbra (@rtefact, 2002, http://www.archaeometry.org/coimbra.htm)

MANIFESTATIONS OF THE CASTREXA (HILLFORT) SCULPTURE IN THE PROVINCE OF LUGO
Francisco Calo Lourido (CROA nš 4, 1994, p. 10-11)