Abstract
References
1.General Register Office (1962 ) Statistical Review of England and Wales 1960 . London; Part III, p 99
2.Ministry of Transport and Scottish Development Department (1962 ) Road Accidents 1961 . London; pp xi , xii
3.
Morris
J N
(1963 ) Proc. roy. Soc. ser. B (in press)
4.
Scott
C
Jackson
S
(1960 ) Accidents to Young Motor Cyclists; A Statistical Investigation . London