1

5.3

1

−19.0

−0.25

Hogstrom [35]

2

5.0

1

−6.0

−0.25

Flesch et al. [23]

3

5.0

1

−16.0

−0.25

Dyer and Hicks [36] for unstable condition

Dyer [39] for stable condition

4

4.8

1

−15.2

−0.25

Hogstrom [37]