Home › Authors › David John Evans 👤 David John Evans 2 books Biography David John Evans OBE was a county clerk and author in Hokitika, New Zealand. Books by David John Evans Non-linear modelling of regene Non-linear modelling of regenerative heat exchangers 1997 A study of developmental defec A study of developmental defects in dental enamel in 10 year old children in South Glamorgan 1989