References
Notes
- Halbwachs , M. 1960 . Population and Society. Introduction to Social Morphology Glencoe
- Spengler , J. J. and Duncan , O. D. 1956 . Demographic Analysis Glencoe
- Friedlander , D. 1969 . Demographic responses and population change . Demography , 6 ( 4 ) November
- Friedlander , D. and Roshier , R. J. 1966 . Internal migration in England and Wales, 1851–1951 . Population Studies , 19 March : 239 – 279 .