@inproceedings{inproceedingsa37bfe89,
title   = {The zero-order phase-contrast technique},
author = {Pizolato Junior, José Carlos and Gonçalves Neto, Luiz},
year = {2004},
doi = {10.1364/DOMO.2004.DMA4},
booktitle   = {Frontiers in Optics - FIO}
}