@book{544159,
	author = {Great Britain. and Winterbotham, Harold St. John Loyd,},
	title = {Survey computations to be used in conjunction with the Text book of topographical and geographical surveying.},
	publisher = {H. M. Stationery off.,},
	year = {1927.},
	address = {London,},
	edition = {3d ed.}
}
