@article{ref1,
title="Processes of human development. The road which leads to homo sapiens. Review of the predecessors of apes and men",
journal="Revista Española de Estomatología",
year="1969",
author="Tuca Alsina, L.",
volume="17",
number="2",
pages="137-156",
abstract="<p>[Abstract unavailable]</p><p>Language: es</p>",
language="es",
issn="0484-7563",
doi="",
url="http://dx.doi.org/"
}