Hepple, P. (1971). Management and Automation in the Petroleum Industry: The Proceedings of the Institute of Petroleum Summer Meeting, Held at Bath, Somerset 2-5 June 1970. London: Elsevier Publishing.

Hepple, Peter. Management and Automation in the Petroleum Industry: The Proceedings of the Institute of Petroleum Summer Meeting, Held At Bath, Somerset 2-5 June 1970. London: Elsevier Publishing, 1971.

Hepple, Peter. Management and Automation in the Petroleum Industry: The Proceedings of the Institute of Petroleum Summer Meeting, Held At Bath, Somerset 2-5 June 1970. London: Elsevier Publishing, 1971.