@incollection{Surdu18,
author = {Michael Surdu},
title = {Variational Calibration},
booktitle = {Metrology},
publisher = {IntechOpen},
address = {Rijeka},
year = {2018},
editor = {Anil},
chapter = {3},
doi = {10.5772/intechopen.74220},
url = {https://doi.org/10.5772/intechopen.74220}
}