TY  - RPRT
TI  - An evaluation of existing models describing the migration of additives in polymers 
AU  - Sanchez, I C
AU  - Chang, S S
AU  - McCrackin, F L
AU  - Smith, L E
PY  - 1978
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS IR 78-1499
DO  - 10.6028/NBS.IR.78-1499
ER  -