TY  - JOUR 
T1  - Models to estimate phytomass accumulation of hydroponic lettuce
JO  - Scientia Agricola
A1  - Lopes, Sidinei José
A1  - Dourado Neto, Durval
A1  - Manfron, Paulo Augusto
A1  - Jasniewicz, Luís Renato
SN  - 0103-9016
UL  - 10.1590/S0103-90162004000400007
VL  - 61 
Y1  - 2004
PB  - Brasil 
ER  -