TY  - JOUR 
T1  - Use of 14C-AMS in the study of biological production in coastal upwelling areas
JO  - Brazilian Journal of Physics
A1  - Ferraz, K. C.
A1  - Marques Jr., A. N.
A1  - Rodriguez, E. G.
A1  - Santos, G. M.
A1  - Gomes, P. R. S.
SN  - 0103-9733
UL  - 10.1590/S0103-97332004000500007
VL  - 34 
Y1  - 2004
PB  - Brazil 
ER  -