Herczeg, Gregory J. Infrared and Submillimeter Astronomy, MPI for Extraterrestrial Physics, Max Planck Society;
Schindhelm, E., France, K., Burgh, E. B., Herczeg, G. J., Green, J. C., Brown, A., et al. (2012). Characterizing CO fourth positive emission in young circumstellar disks. The Astrophysical Journal, 746(1): 97, pp. 1-14. doi:10.1088/0004-637X/746/1/97.