The balloon experimental twin telescope for infrared interferometry (BETTII): Progress towards high angular resolution in the far-infrared
Proceedings article published in 2013 by
S. A. Rinehart,
D. T. Leisawitz,
D. Benford 
,
D. Fixsen,
M. Rizzo,
M. Jackson,
E. Mentzell,
R. Silverberg
,
D. Fixsen,
M. Rizzo,
M. Jackson,
E. Mentzell,
R. Silverberg
