Berman, E S F
Melanson, E L
Swibas, T
Snaith, S P
Speakman, J R
Article History
Received: 24 June 2014
Revised: 21 December 2014
Accepted: 23 December 2014
First Online: 25 March 2015
Competing interests
: ESFB discloses that she is employed by Los Gatos Research, the manufacturer of the OA-ICOS laser absorption spectrometers. SPS discloses that he was formerly employed by Los Gatos Research.