TY  - BOOK
AU  - De Vries Barend A
TI  - Transition toward more rapid and labor intensive i
T2  - World Bank staff working paper
U1  - "X9:77.931.N7, M0" 
PY  - 1980///
CY  - Washington
PB  - World Bank      
KW  - Industrial Ecomonics
ER  -