Cooperativity of the beta-relaxations in aromatic polymers.
Sanz
Alejandro
A
Instituto de Estructura de la Materia, C.S.I.C. Serrano 121, Madrid 28006, Spain.
Nogales
Aurora
A
Ezquerra
Tiberio A
TA
Lotti
Nadia
N
Finelli
Lara
L