1 Subjects: “...random waves...”

2 Subjects: “...History of engineering and technology / bicssc...”

3 Subjects: “...wave climate...”

4 Subjects: “...History of engineering & technology / bicssc...”

5 Subjects: “...ultrasonic wave...”

6 Subjects: “...traveling wave...”

7 Subjects: “...History of engineering and technology / bicssc...”

8 Subjects: “...History of engineering and technology / bicssc...”

9 Subjects: “...longitudinal wave...”

10 Subjects: “...cycle wave form...”

11 Subjects: “...History of engineering & technology / bicssc...”

12 Subjects: “...History of engineering and technology / bicssc...”

13 Subjects: “...electromagnetic wave attribute...”