Laser Sounder for Global Measufrement of Co2 Concentrations in the Troposhpere. - Haris Riris; James B. Abshire; Graham R. Allan; Xiaoli Sun; S. Jeffrey Chen; S. Randolph Kawa; Jianping Mao; Mark Stephen; John Burris; Emily Wilson; Michael A. Krainak (IGARSS (3), 2008)

Sensitivity studies for space-based laser measurements of atmospheric CO2 concentration towards future NASA mission ASCENDS. - Jianping Mao; S. Randolph Kawa; James B. Abshire; Haris Riris (IGARSS, 2010)

Measuring atmospheric CO2 for the NASA ascends mission: The CO2 laser sounder approach. - James B. Abshire; Haris Riris; Graham R. Allan; S. Randolph Kawa; Xiaoli Sun; William Hasselbrack; Clark Weaver; Michael Rodríguez; Jianping Mao (IGARSS, 2012)