TY  - RPRT
TI  - Procurement of products containing recovered material : a summary of activities in seven states
AU  - Berke, Joseph G
AU  - Hudson, Catherine H
PY  - 1981
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS IR 81-2316
DO  - 10.6028/NBS.IR.81-2316
ER  -