Hällristningar på Tjörn =
Subtitle: [Rock-carvings on Tjörn]
By: av Johan Pettersson, Gunnel Kristiansson.
Contributors: Kristiansson, Gunnel, joint author.
Publisher: Dalaförl.
Published: 1977
Place of publication: Malung
Language: swe
Number of pages: 149
Subjects: Petroglyphs -- Sweden -- Tjörn Island.; Tjörn Island (Sweden) -- Antiquities.; Sweden -- Antiquities.
Notes: Includes bibliographical references.
Summary in English.