| 其他書名 | With a Brief Review of Past and Present Operating Conditions : Being a Paper Presented Before the New York Railroad Club, April Sixteenth, 1909 |
| 出版 | Westinghouse Air Brake Company, 1909 |
| URL | http://books.google.com.hk/books?id=H-saEmoBmtwC&hl=&source=gbs_api |