@incollection{Kirstein11,
author = {Elliot M. Kirstein and Ahmed Elsheikh and Pinakin Gunvant},
title = {Tonometry – Past, Present and Future},
booktitle = {Glaucoma},
publisher = {IntechOpen},
address = {Rijeka},
year = {2011},
editor = {Pinakin Gunvant},
chapter = {6},
doi = {10.5772/37393},
url = {https://doi.org/10.5772/37393}
}