TY  - BOOK
AU  - Stepnich,Ivan C.
TI  - Principles and applications of direct digital controls: understanding and implementing DDC technology in refrigeration applications 
SN  - 0912524472 :
AV  - TP492.7 .S78 1989
U1  - 621.5/6 19
PY  - 1989///
CY  - Troy, Mich.
PB  - Business News Pub. Co.
KW  - Refrigeration and refrigerating machinery
KW  - Automatic control
KW  - Digital control systems
ER  -