Rangwala, S.C
Principles of Railway Engineering - 7th - Anand Charotar Publishing 1980 - p.390
Railway Surveys
Rail Gauges
Signalling
625.1 R196P
Principles of Railway Engineering - 7th - Anand Charotar Publishing 1980 - p.390
Railway Surveys
Rail Gauges
Signalling
625.1 R196P