Reiff, R. P. (2006). Acoustic rail-break detection demonstration at MTA New York City Transit. Transportation Research Board.
Chicago-referens (17:e uppl.)Reiff, Richard P. Acoustic Rail-break Detection Demonstration at MTA New York City Transit. [Washington, D.C.]: Transportation Research Board, 2006.
MLA-referens (9:e uppl.)Reiff, Richard P. Acoustic Rail-break Detection Demonstration at MTA New York City Transit. Transportation Research Board, 2006.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.