1. Recommended practice for planning, designing and constructing fixed offshore platforms;API RP2A,1977
2. Recommended practice for planning, designing and constructing fixed offshore platforms;API RP2A,1984
3. Recommended practice for planning, designing and constructing fixed offshore platforms – working stress design;API RP2A-WSD,2000
4. Billington CJ, Lewis GHG. The strength of large diameter grouted connections. Paper presented at 10th offshore technology conference, Houston, Texas, 8–11 May, OTC paper no. 3083; 1978. p. 291–301.
5. Billington CJ, Tebbett IE. The basis for new design formulae for grouted jacket to pile connections. Paper presented at 12th offshore technology conference, Houston, Texas, 5–8 May, OTC paper no. 3788; 1980. p. 449–58.