@incollection{Trump17,
author = {Tõnu Trump},
title = {Introductory Chapter},
booktitle = {Cognitive Radio},
publisher = {IntechOpen},
address = {Rijeka},
year = {2017},
editor = {Tonu Trump},
chapter = {1},
doi = {10.5772/intechopen.69597},
url = {https://doi.org/10.5772/intechopen.69597}
}