TY  - JOUR 
T1  - Positron annihilation spectroscopy of chain-end-functionalized polystyrenes with definite numbers of benzyl alcohol and perfluorooctyl groups
JO  - Polímeros
A1  - Mahmoud, Kamal Reyad
A1  - El-Shehawy, Ashraf
A1  - Atta, Hoda
SN  - 0104-1428
UL  - 10.1590/0104-1428.04619
VL  - 29 
Y1  - 2019
PB  - Brasil 
ER  -