@misc{nagel_a_new_2002, 
author={Nagel, D., Maixner, U.},
title={A new method for the absolute calibration and the determination of the sample volume at real aircraft speed},
year={2002},
howpublished = {conference lecture: Capua (I);},
note = {Nagel, D.; Maixner, U.: A new method for the absolute calibration and the determination of the sample volume at real aircraft speed. EUFAR, Expert Group Meeting. Capua (I), 2002.}}