BibTex format
@article{Gratus:2019:1361-6404/ab009c,
author = {Gratus, J and Kinsler, P and McCall, MW},
doi = {1361-6404/ab009c},
journal = {EUROPEAN JOURNAL OF PHYSICS},
title = {Maxwell's (D, H) excitation fields: lessons from permanent magnets},
url = {http://dx.doi.org/10.1088/1361-6404/ab009c},
volume = {40},
year = {2019}
}