@misc{apel_a_multi_1988, 
author={Apel, U., Lohse, H., Mengelkamp, H.-T., Mueller, A., Siewers, H.},
title={A multi tethersonde/radiosonde receiving system},
year={1988},
howpublished = {conference lecture: Boulder, CO (USA);},
note = {Apel, U.; Lohse, H.; Mengelkamp, H.; Mueller, A.; Siewers, H.: A multi tethersonde/radiosonde receiving system. In: Symposium on Lower Tropospheric Profiling: Needs and Technologies, a symposium to critically review and evaluate scientific needs and access current and projected technologies; extended abstracts. Boulder, CO (USA). 1988. 65-67.}}