TY  - JOUR 
T1  - Ethylene and lettuce seed germination
JO  - Scientia Agricola
A1  - Nascimento, Warley Marcos
SN  - 0103-9016
UL  - 10.1590/S0103-90162003000300029
VL  - 60 
Y1  - 2003
PB  - Brasil 
ER  -