TY  - RPRT
TI  - Interface standards for automated coal mining equipment 
AU  - Smith, Bradford M
AU  - Markley, Richard W
AU  - Costrell, Louis
AU  - Clark, George E
AU  - Cotton, Ira W
AU  - Bakshi, Jogrinda M
PY  - 1977
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS IR 77-1301
DO  - 10.6028/NBS.IR.77-1301
ER  -