TY  - JOUR 
T1  - Size-segregated particulate matter and carboxylic acids over urban and rural sites in Londrina City, Brazil
JO  - Journal of the Brazilian Chemical Society
A1  - Freitas, Adriana de M.
A1  - Martins, Leila D.
A1  - Solci, Maria Cristina
SN  - 0103-5053
UL  - 10.1590/S0103-50532012000500018
VL  - 23 
Y1  - 2012
PB  - Brasil 
ER  -