TY  - RPRT
TI  - Trade implications of processes and production methods (PPMs) 
AU  - Cooke, Patrick W
PY  - 1990
PB  - National Institute of Standards and Technology
CY  - Gaithersburg, MD
SN  - NIST IR 90-4265
DO  - 10.6028/NIST.IR.90-4265
ER  -