Hartogh, P. MPI for Aeronomy, Max Planck Institute for Solar System Research, Max Planck Society; Department Planets and Comets, Max Planck Institute for Solar System Research, Max Planck Society;
Urban, J., Birk, M., Bremer, H., van den Broek, M., Crewell, S., Ellison, B., et al. (1999). Recent Airborne Heterodyne Receivers for the Submillimeter-wave Range. In Proceedings International Workshop on Submm-wave Observation of Earth's Atmosphere from Space (pp. 151-163). Tokyo, 27.-29. January 1999: Earth Observation Research Center.