@book{14387,
	author = {Great Britain. Ministry of Defence.},
	title = {Manual of map reading /},
	publisher = {H.M.S,O,},
	year = {1973.},
	series = {A/GS Trg. Publications 3254; Army code no. 40947.},
	address = {London :},
	note = {Loose-leaf for updating."Replaces the 1955 Manual of map reading, air photo reading and field sketching."}
}