TY  - BOOK
AU  - Trewartha, Glenn T
TI  - Less developed realm: geography of its population
SN  - 0-71-88794-3
U1  - 301.32 21st
PY  - 1972///
CY  - New York
PB  - John Wiley and Sons
KW  - Population; Population geography; Population policy
ER  -