TY  - JOUR 
T1  - Phytoplankton and environmental factors in the Paraíba do Norte River Estuary, northeastern Brazil: composition, distribution and quantitative remarks
JO  - Boletim do Instituto Oceanográfico
A1  - Sassi, Roberto
SN  - 0373-5524
UL  - 10.1590/S0373-55241991000200001
VL  - 39 
Y1  - 1991
PB  - Brazil 
ER  -