TY  - JOUR 
T1  - N:Si:P atomic ratio in the Santa Cruz Channel, Itamaracá-PE (Northeast Brazil): a nyctemeral variation
JO  - Brazilian Archives of Biology and Technology
A1  - Montes, Manuel de Jesús Flores
A1  - Macêdo, Silvio José de
A1  - Koening, Maria Luise
SN  - 1516-8913
UL  - 10.1590/S1516-89132002000200002
VL  - 45 
Y1  - 2002
PB  - Brasil 
ER  -