1. American Bureau of Shipping (ABS). Rules for building and classing of mobile offshore drilling units, 1991
2. On the fatigue fracture mechanics analysis of tubular joints;Connolly,1987
3. Prioritization of bridge maintenance needs;Das,1999
4. Reliability based bridge management procedures;Das,2000
5. Det Norske Veritas (DnV). In service inspection programme for structures of self-elevating drilling units, 1984