http://www.acm.org/ Download this publisher's e-journal holdings (xlsx) Content Type OA ? PCA ? Journals No Yes Books 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-Journals E-Books All0-9ABCDEFGHIJKLMNOPQRSTUVWXYZ Titles start with U (1) ISSN Status Ubiquity 1530-2180 preserved