TY  - JOUR 
T1  - Approaches to the indirect evaluation of germination and vigour
JO  - Scientia Agricola
A1  - Matthews, S.
SN  - 0103-9016
UL  - 10.1590/S0103-90161998000500011
VL  - 55 
Y1  - 1998
PB  - Brazil 
ER  -