Lu, M. (2008). Discrete element modelling of railway ballast.
Chicago Style (17th ed.) CitationLu, Mingfei. Discrete Element Modelling of Railway Ballast. 2008.
MLA (9th ed.) CitationLu, Mingfei. Discrete Element Modelling of Railway Ballast. 2008.
Warning: These citations may not always be 100% accurate.