TY  - RPRT
TI  - Hierarchical real-time control task decomposition for a coal mining automation project 
AU  - Huang, Hui-Min
PY  - 1990
PB  - National Institute of Standards and Technology
CY  - Gaithersburg, MD
SN  - NIST IR 90-4271
DO  - 10.6028/NIST.IR.90-4271
ER  -