TY  - JOUR 
T1  - Energy flow in castor bean (Ricinus communis L.) production systems
JO  - Scientia Agricola
A1  - Silva, Adilson Nunes da
A1  - Romanelli, Thiago Libório
A1  - Reichardt, Klaus
SN  - 0103-9016
UL  - 10.1590/S0103-90162010000600018
VL  - 67 
Y1  - 2010
PB  - Brasil 
ER  -