@misc{krupp_holographic_measurements_1991, 
author={Krupp, C.},
title={Holographic measurements of ice crystals in cirrus clouds during ICE 89},
year={1991},
howpublished = {conference lecture: Reading (GB);},
note = {Krupp, C.: Holographic measurements of ice crystals in cirrus clouds during ICE 89. In: Saunders, R.; Brown, P. (Ed.): ICE/EUCREX: International Cirrus Experiment/European Cloud Radiation Experiment; Report of the Fourth Workshop at the Meteorological Office College. Reading (GB). 1991. 58-67.}}