To Determine the Formula of Sediment Group Settlement Based on Perturbation Theory
NI Zhi-hui, MOU Ming-yan, WU Li-chun, ZHAO Jian, ZHONG Liang
JOURNAL OF YANGTZE RIVER SCIENTIFIC RESEARCH INSTI . 2017, (1): 6 -11 .  DOI: 10.11988/ckyyb.20150842