TY  - BOOK
AU  - Olson David R
TI  - World on paper:  The conceptual and cognitive implications of writing and reading   
SN  - 0521575583
U1  - Y:393, N4 
PY  - 1994///
CY  - Cambridge
PB  - Cambridge University Press        
N1  - Bibliography: P 283-304
ER  -