Johnson, James Henry,  1930- <br/><br/>
Population migration / 
by James H. Johnson, John Salt. 
 - London :  Thomas Nelson,  1992. 
 - 75 p. :  ill. ;  22 cm. 
 - Aspects of geography .
<br/><br/><label>ISBN: </label>0174481853 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Migration, Internal.<br/>Residential mobility.<br/>Emigration and immigration.