3.1 Periodicals, records, reports, books, etc. Source: http://www.epo.org/law-practice/legal-texts/html/guidelinespct/e/b_ix_3.htmDate retrieved: 17 May 20213 references found. Click X to load a reference inside the current page, click on the title to open in a new page.EPO PCT GL - B SearchXGL-PCT B Purpose of Part B Loading...XGL-PCT B IX – Search documentation Loading...XGL-PCT B IX 3.1 Periodicals, records, reports, books, etc. Loading...