1 Subjects: “...external cavity feedback...”

2 Subjects: “...external forces...”

3 Subjects: “...external rays...”

4 Subjects: “...external-cavity diode laser...”

5 Subjects: “...external human-machine interface...”

6 Subjects: “...internal and reverse external axial flows...”

7 Subjects: “...kriging with external drift...”

8 Subjects: “...kriging with external drift...”

9 Subjects: “...external disturbance...”

10 Subjects: “...external disturbance...”

11 Subjects: “...external disturbance...”