Lenk, J. D. (1980). Handbook of controls and instrumentation. Prentice-Hall of India.
Chicago Edition CitationLenk, John D. Handbook of Controls and Instrumentation. New Jersey: Prentice-Hall of India, 1980.
Deismireacht MLALenk, John D. Handbook of Controls and Instrumentation. Prentice-Hall of India, 1980.
Rabhadh: D'fhéadfadh nach mbeadh na deismireachtaí seo 100% cruinn i gcónaí.