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Elfyn John Richards

4 books found

Cover of Adult education

Adult education

Elfyn John Richards · First published 1975

Cover of London Gatwick Airport

London Gatwick Airport

Elfyn John Richards · First published 1970

Cover of Noise and acoustic fatigue in aeronautics

Noise and acoustic fatigue in aeronautics

Elfyn John Richards · First published 1968

Placeholder cover for Noise and acoustic fatique in aeronautics

Noise and acoustic fatique in aeronautics

Elfyn John Richards, D. J. Mead · First published 1968