http://www.agu.org/ Download this publisher's e-journal holdings (xlsx) Content Type OA ? PCA ? Journals 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 All0-9ABCDEFGHIJKLMNOPQRSTUVWXYZ Titles start with G (3) ISSN Status Global Biogeochemical Cycles 0886-6236 preserved Geophysical Research Letters 0094-8276 preserved Geochemistry, Geophysics, Geosystems 1525-2027 preserved