London Transport Vehicle Histories of LS, LT and LTC types, Volume 2, LT701-1429 and LTC 1-24 Bond Alan Heftet / 2020 / Engelsk
Electrochemical Science and Technology Fundamentals and Applications Oldham, Keith Heftet / 2011 / Engelsk
Electrochemical Science and Technology Fundamentals and Applications Oldham, Keith Innbundet / 2011 / Engelsk
