TY  - SER
AU  - Engeström, Yrjo.
TI  - Voices of the mind : : A sociocultural approach to mediated action
T2  - American Anthropologist ; 
PY  - 1992///
CY  - Washington, DC : 
PB  - American Anthropological Association, 
N1  - Comments on: General/Theoretical anthropology
ER  -