1 Subjects: “...Portugal...”

2 Subjects: “...Portugal...”

3 Subjects: “...Portugal...”

4 Subjects: “...Portugal...”

5 Subjects: “...Portugal...”

6 Subjects: “...Lusitanian Basin (Portugal)...”

7 “..., Portugal, Romania, and Ukraine), and Africa (South Africa). These papers were published in a Special Issue...”

8 “..., the Netherlands, Turkey, Brazil, Portugal, Denmark, France, Bulgaria, Sweden, Hungary, Spain, the UAE, the UK...”

9 “... carried out in different parts of the world, such as Spain, Portugal, France, Italy, Hungary, China, South...”