Sample Publications (130+ authored/co-authored papers in literature) Walker, C. K., 2015, TeraHertz Astronomy, CRC Press, Taylor & Francis Group, Boca Raton, FL. Kloosterman, J. L., Hayton, D. J., Ren, Y., Kao, T. Y., Hovenier, J. N., Gao, J. R., Klapwijk, T. M., Hu, Q., Walker, C. K., and Reno, J. L., 2013, “Hot Electron Bolometer Heterodyne Receiver with a 4.7 THz Quantum Cascade Laser as a Local Oscillator”, Appl. Phys. Lett., 102, 011123. Walker, C., 2012, STO, GUSSTO (EXPLORER): Recent Activities and Results,39th COSPAR Scientific Assembly, 14-22 July 2012, in Mysore, India, p. 2114   Walker, C., Kulesa, C. & GUSSTO Team, 2012, GUSSTO (EXPLORER): Phase A Study Report,delivered to NASA, 23 September 2012.  C. Walker, C. Kulesa, J. Kloosterman, T. Cottam, C. Groppi, P. Bernasconi, H. Eaton, N. Rolander, B. Carkhuff, S. Hechtman, J. Gottlieb, D. Neufeld, C. Lisse, A. Stark, D. Hollenbach, J. Kawamura, P. Goldsmith, W. Langer, H. Yorke, J. Sterne, A. Skalare, I. Mehdi, S. Weinreb, J. Kooi, J. Stutzski, U. Graf, C. Honingh, P. Puetz, C. Martin, D. Lesser, and M. Wolfire, 2011, The Stratospheric THz Observatory (STO): Preparations for Science Flight, Proceedings of 22nd International Symposium on Space Terahertz Technology, Tucson, 26-28 April 2011. Craig Kulesa,  Christopher Walker, Abram Young, John Storey, Michael Ashley, 2011, HEAT: The High Elevation Antarctic Terahertz Telescope, Proceedings of 22nd International Symposium on Space Terahertz Technology, Tucson, 26-28 April 2011.                              Bussmann, R. S., Wong, T. W., Hedden, A., Kulesa, C., and Walker, C. K., 2007,  A CO (J=3-2) Outflow Survey of the Elias 29 Region, Ap.J., 657, Issue 1, pp. L33-L36. Hedden, A. S., Walker, C. K., Groppi, C. E., and Butner, H. A., 2006, Star Formation in the Northern Cloud Complex of  NGC 2264, Ap.J., 645, p.345. Kulesa, C., Hungerford, a., Walker, C., Zhang, X., and Lane, A., 2005, Large-Scale CO and [CI] Emission in the Rho Ohiuchi Molecular Cloud, Ap. J., 625, 194.