1. Study on slipping and skidding in track section in mountainous area;Sugahara,2012
2. A field test study of leaf contamination on railhead surfaces;Zhu;Proc. Inst. Mech. Eng. Part F,2014
3. Countermeasure against fallen leaves in geibi line;Sakamoto;New Roadway,1989
4. Operation method for controlling DC slipping in track section in which leaves spread on rail;Tanaka,2010
5. Countermeasure for preventing slipping due to fallen leaves in steep gradient section in senzan line;Onodera;J.Jpn.Train.Oper.Assoc.,1988