TY  - RPRT
TI  - Methods of measurement for semiconductor materials, process control, and devices, quarterly report, January 1 to March 31, 1969. 
AU  - Bullis, W Murray
PY  - 1969
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS TN 488
DO  - 10.6028/NBS.TN.488
ER  -