TY  - BOOK
AU  - Mack,Raymond W.
AU  - Blanksten, George I.,
AU  - Barringer, Herbert R.,
TI  - Social change in developing areas: A reinterpretation of evolutionary theory 
AV  - HM106 S62
PY  - 1965///
CY  - Cambridge, massachusetts
PB  - Schenkman
KW  - Evolución social
ER  -