Rajangam, Sri (1 May 1937). "Some Factors Contributing to Derailments of Railway Rolling Stock". Journal of the Institution of Locomotive Engineers. 27 (137): 427–448. doi:10.1243/JILE_PROC_1937_027_027_02. ISSN0534-283X.
Rajangam, Sri (1 May 1937). "Some Factors Contributing to Derailments of Railway Rolling Stock". Journal of the Institution of Locomotive Engineers. 27 (137): 427–448. doi:10.1243/JILE_PROC_1937_027_027_02. ISSN0534-283X.