TY  - BOOK
AU  - x, x
AU  - Bergen,J.T.
TI  - Viscoelasticity: Phenomenoological aspects
SN  - x
U1  - 531.382/BEV 
PY  - 1960///
CY  - N.Y.
PB  - Academic Press
KW  - Mechanics
N1  - x
ER  -