Woods, Robert.
Population analysis in Geography / - Reprinted 1982 / - Essex CM20 2JE : Longman Group Ltd. , 1989 - p.278 :
0-582-48696-3
Population Geography
U45 / L9
Population analysis in Geography / - Reprinted 1982 / - Essex CM20 2JE : Longman Group Ltd. , 1989 - p.278 :
0-582-48696-3
Population Geography
U45 / L9