@inproceedings{inproceedings37b5acee,
title   = {Evaluation of x-ray tubes focal spot dimensions using a digital sensor},
author = {Costa, Paulo Roberto and Yanikian, Denise and Furquim, Tânia Aparecida Correia},
year = {1997},
publisher = {Societé des Electriciens et Electroniciens},
booktitle   = {World Congress Medical Physics and Biomedical Engineering}
}