TY  - BOOK
AU  -  Barringer,Herbert R.
AU  -  Blanksten,George I.
AU  -  Mack,Raymond W.
TI  -  Social change in developing areas : :  a reinterpretation of evoluti onary theory/ 
U1  -  303.4091724 
PY  - 1965///]
CY  -  Cambridge, Mass. : 
PB  -  Schenkman Pub. Co. ; 
KW  -  Social evolution
N1  -  Includes bibliographical references
ER  -