http://www.hindawi.com/ Download this publisher's e-journal holdings (xlsx) Content Type OA ? PCA ? Journals Yes N/A 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 All0-9ABCDEFGHIJKLMNOPQRSTUVWXYZ Titles start with X (1) ISSN Status X-Ray Optics and Instrumentation 1687-7632, 1687-7640 preserved