Were they all men? An examination of sex roles in prehistoric society : Acts from workshop held at Utstein Kloster, Rogaland, 2.-4. november 1979 (NAM-Forskningsseminar nr. 1). - Bertelsen, Reidar; Naess, Jenny-Rita; Lillehammer, Arnvid (University Library of Stavanger, Museum of Archaeology (früher; Arkeologisk Museum i Stavanger), 1987)