Building Automation: Intelligent Buildings In The Age Of Pneumatic Controls?

Author:		Paul Ehrlich & Ira Goldschmidt
Date:		Jun 1, 2010
Pneumatic and electro-mechanical controls are still used in a significant portion of control in commercial buildings.
Web link:		www.esmagazine.com/Articles/Column/BNP_GUID_9-5-2006_A_10000000000000832517