@book{98179,
	author = {Marshall, Arthur Milnes and Newth, Herbert Greenway},
	title = {The frog},
	publisher = {Macmillan},
	year = {1956.},
	address = {London},
	edition = {12th ed.},
	note = {"Twelfth edition, 1928. Reprinted ... 1956."}
}