1 Subjects: “...acoustic emission...”

2 Subjects: “...acoustic emission AE...”

3 Subjects: “...acoustic emission...”

4 Subjects: “...emissions generated by ships...”

5 Subjects: “...pollutant emission...”

6 Subjects: “...acoustic emission...”

7 Subjects: “...CO2 emission...”

8 Subjects: “...emission of pollutants...”

9 Subjects: “...carbon emission...”

10 Subjects: “...conducted emission...”

11 Subjects: “...emissions...”