1 Subjects: “...Magazine design / Periodicals...”

2 Subjects: “...Newspaper layout and typography / Competitions / Periodicals...”

3 Subjects: “...medieval period...”

4 Subjects: “...Rest periods / http://id.loc.gov/authorities/subjects/sh85113247...”

5 Subjects: “...multi-period demand...”

6 Subjects: “...Ordovician period...”

7 Subjects: “...periodic solutions...”

8 Subjects: “...periodicity analysis...”

9 Subjects: “...two sales periods...”

10 Subjects: “...two sales periods...”

11 Subjects: “...multi-period VRP...”

12 Subjects: “...return period...”

13 Subjects: “...storage period...”

14 Subjects: “...periodic general health examination...”