References | cl | cd | st |
(Braza, Chassaing, Minh, H.H., and M., P., 1986) [9] | ±0.30 | 1.28 ± 0.02 | 0.16 |
(Benson, M.G., Bellamy-Knights, P.G, Gerrard, and Gladwell, 1989) [10] | ±0.28 | 1.325 ± 0.008 | 0.164 |
(Ding, H., Shu, C., Yeo, K.S., and Xu, D, 2004) [11] | ±0.38 | 1.46 ± 0.01 | 0.17 |
(Y. Wang, C. Shu, C.J. Teo and J.Wu, 2015) [8] | ±0.37 | 1.334 ± 0.012 | 0.163 |
Present | ±0.325 | 1.351 ± 0.009 | 0.1639 |