TY  - BOOK
AU  - Sanderson, Stephen K.,
TI  - Social evolutionism: A critical history 
T2  - Studies in social discontinuity
SN  - 1-55786-073-4
AV  - GN360 S35
PY  - 1990///
CY  - Cambridge, massachusetts
PB  - B. Blackwell
KW  - Evolución social
ER  -