BibTex format
@article{Bull:1998,
author = {Bull, AMJ and Berkshire, FH and Amis, AA},
journal = {Proceedings of the Institution of Mechanical Engineers Part H-Journal of Engineering in Medicine},
pages = {347--355},
title = {Accuracy of an electromagnetic measurement device and application to the measurement and description of knee joint motion},
volume = {212},
year = {1998}
}