John Ackers
- Mangla reservoir, Pakistan – approaching 50 years of service. In: Dams and Reservoirs, v. 26, n. 2 (August 2016). (2016):
- Lluest Wen: the near failure and subsequent repair of a Pennine type dam. In: Dams and Reservoirs, v. 28, n. 3 (September 2018). (2018):