1. Standard Practice for Rotameter Calibration;ASTM D3195/D3195M-10,2015
2. Standard Specifications for Particular Requirements for Anesthesia Workstations and Their Components;ASTM F1850-00,2005
3. Aestiva Anesthetic Machine Technical Reference Manual;Datex-Ohmeda,2001
4. The anesthesia machine;Dorsch,2008
5. Accuracy of anaesthetic gas flow meters;Hodge;Br J Anaesth,1979