@booklet {2153,
	title = {Ring of Violence},
	year = {1968},
	month = {1968},
	publisher = {Robert Hale},
	address = {London},
	abstract = {<p>Dystopia of violence.</p>},
	keywords = {English author, Male author, Welsh author},
	author = {Douglas R[ankine] Mason (1918-2013)}
}
