@Misc{AntonioLopez1997,
author="Antonio Lopez",
title="Ridge/Valley-like structures: Creases, separatrices and drainage patterns",
year="1997",
optnote="ADAS",
optnote="exported from refbase (http://refbase.cvc.uab.es/show.php?record=488), last updated on Wed, 29 Jun 2011 17:53:09 +0200",
opturl="homepages.inf.ed.ac.uk/rbf/CVonline/LOCAL_COPIES/LOPEZ/cvonline.html"
}