TY  - BOOK
AU  -  Spengler,Joseph John
TI  -  Declining population growth revisited  / 
U1  -  304.6 
PY  - 1971///
CY  -  University of North Carolina at Chapel Hill : 
PB  -  Carolina Population Center , 
KW  -  Population
KW  -  Economic aspects
KW  -  Economic development
N1  -  Includes bibliographical references and index
ER  -