@book{168899,
	author = {Herbin, J.P.},
	title = {Oil seeps from the "boulganack" mud volcano in the Kerch Peninsula (Ukraine-Crimea), study of the mud and the gas},
	year = {sept./oct. 2008},
	url = {http://ogst.ifp.fr/index.php?option=article&access=standard&Itemid=129&url=/articles/ogst/pdf/2008/05/ogst07071.pdf}
}