TY  - BOOK
AU  - Cockrell, W. D.
TI  - Industrial electronic control
U1  - 621.38 COC 
PY  - 1944///
CY  - New York
PB  - McGraw-Hill Book Company
KW  - Electronic control systems
KW  - Automation – Industrial applications
KW  - Process control – Electronic systems
N1  - Includes index
ER  -