@book{105578,
	author = {United States},
	title = {Physical training.},
	publisher = {United States G.P.O.},
	year = {1946.},
	series = {War Department field manual},
	address = {Washington},
	note = {Supersedes FM 21-20, 6 March 1941; TC 87, 17 November 1942; and WD pamphlet no. 21-9, 1 May 1944.}
}