TY  - JOUR 
T1  - Photosynthetic capacity of three phytoplanktonic species measured by a pulse amplitude fluorometric method
JO  - Brazilian Journal of Plant Physiology
A1  - Figueredo, Cleber Cunha
A1  - Giani, Alessandra
A1  - Lemos Filho, José Pires
SN  - 1677-0420
UL  - 10.1590/S1677-04202009000300001
VL  - 21 
Y1  - 2009
PB  - Brasil 
ER  -