Content Type OA ? PCA ? Books (Back List, Front List) No Yes Request a holdings comparison Portico provides a free holdings comparison service to compare a library’s journal or book holdings to the Portico archive. Search titles and ISSNs by keyword: Show: E-Books All0-9ABCDEFGHIJKLMNOPQRSTUVWXYZ Titles start with S (1) Information Stone Canvas: Towards a Better Integration of 'Rock Art' and 'Graffiti' Studies in Egypt and Sudan Author/Editor: Paweł Lech Polkowski