@inproceedings{1e77a7b41bcb43029662ce178a379592,
title = "An Attempt to Parameterise Negative Ions in the Ionospheric D-Region",
author = "Martin Friedrich and K.M. Torkar",
year = "1995",
language = "English",
isbn = "92-9092-163-3",
volume = "370",
series = "ESA-SP",
publisher = "ESTEC",
pages = "257--261",
booktitle = "ESA Symposium on European Rocket and Balloon Programmes and Related Research",
note = "ESA Symposium on European Rocket and Balloon Programmes and Related Research ; Conference date: 29-05-1995 Through 01-06-1995",
}