Reesink, A.J.H.; Bridge, J.S. (2007). "Influence of superimposed bedforms and flow unsteadiness on formation of cross strata in dunes and unit bars". Sedimentary Geology. 202 (1–2): 281–296. doi:10.1016/j.sedgeo.2007.02.005. ISSN0037-0738. OCLC180847665。
Reesink, A.J.H.; Bridge, J.S. (2007). "Influence of superimposed bedforms and flow unsteadiness on formation of cross strata in dunes and unit bars". Sedimentary Geology. 202 (1–2): 281–296. doi:10.1016/j.sedgeo.2007.02.005. ISSN0037-0738. OCLC180847665。