@book{29084,
	author = {Whittard, W. F.},
	title = {The Ordovician trilobites of the Shelve Inlier, west Shropshire.},
	publisher = {Palæontographical Society,},
	year = {19<  -67>},
	series = {Palaeontographical Society. Publication},
	address = {London,},
	note = {Issued in parts.}
}