BibTex format
@misc{Singer:2006,
author = {Singer, J and Saunders, J H and Pain, C},
title = {Seismoelectric and acoustic permeability determination},
type = {Patent},
url = {http://v3.espacenet.com/textdoc?DB=EPODOC&IDX=GB2422433&F=0},
year = {2006}
}