TY  - BOOK
AU  - Griliches Zvi
TI  - Technology, education and  productivity: Early papers with notes to subsequent literature   
SN  - 0631156143
U1  - X0gF, M8 
PY  - 1988///
CY  - New York
PB  - Basil Blackwell        
KW  - Economic IRT Technology
N1  - Bibliography chapterwise
ER  -