Johnson, C. D. (1997). Process control instrumentation technology (5th ed.). Upper Saddle River, NJ.: Prentice-Hall.
Παραπομπή Chicago StyleJohnson, Curtis D.. Process Control Instrumentation Technology. 5th ed. Upper Saddle River, NJ.: Prentice-Hall, 1997.
Παραπομπή MLAJohnson, Curtis D.. Process Control Instrumentation Technology. 5th ed. Upper Saddle River, NJ.: Prentice-Hall, 1997.
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