TY  - BOOK
AU  - Cole Michael
AU  -  Olga Vasquez Ed.
AU  -  Yrjo Engestrom
TI  - Mind, culture and activity:  Seminal papers from the laboratory of comparative human congition   
SN  - 0521558239
U1  - Y:3(S:4), N7 
PY  - 1997///
CY  - Cambridge
PB  - Cambridge University Press        
N1  - Bibliography chapterwise
ER  -