TY  - JOUR 
T1  - A cross-country non parametric estimation of the returns to factors of production and the elasticity of scale
JO  - Nova Economia
A1  - Marquetti, Adalmir
SN  - 0103-6351
UL  - 10.1590/S0103-63512007000100004
VL  - 17 
Y1  - 2007
PB  - Brazil 
ER  -