NH Observations of the Infrared Dark Cloud G28.34+0.06v. 672IOP PublishingL33–L36
Wang, Y., Zhang, Qizhou, Pillai, T., Wyrowski, F., and Wu, Y. 2008. "NH3 Observations of the Infrared Dark Cloud G28.34+0.06." The Astrophysical Journal Letters, 672 L33–L36.