@incollection{Heinkelmann13,
author = {Robert Heinkelmann},
title = {VLBI Geodesy: Observations, Analysis and Results},
booktitle = {Geodetic Sciences},
publisher = {IntechOpen},
address = {Rijeka},
year = {2013},
editor = {Shuanggen Jin},
chapter = {3},
doi = {10.5772/54446},
url = {https://doi.org/10.5772/54446}
}