6Collins K. Mcgown A, The Form and Function of Microfabric Features in a Variety of Nature Solis[J]. Geotechniaue, 1974, 24(2): 223-254.
7COLLINS K, MCGOWN A.The form and function of microfabric features in a variety of nature solis[J].Geotechnique, 1974,24(2) : 223-254.
8SHI Y,EBERHART R C.A mortified particle swarm optimization[C]// Proceedings of the IEEE International Conference on Evolutionary Computation IEEE Press, Piscataway, NJ 1998,1998:69-73.
