@book{190975,
	author = {Boothby, F. L. M.  and Institution of Aeronautical Engineers},
	title = {Commercial airship design / },
	publisher = {Institution of Aeronautical Engineers, },
	year = {[1924?].},
	address = {London : },
	note = {Published in no. 13 of the Minutes of proceedings of the Institution.}
}