@book{7033,
	author = {Valman, H.B. and Valman, H. B.},
	title = {ABC of one to seven /},
	publisher = {BMJ Publishing Group,},
	year = {1993},
	series = {ABC series},
	address = {London: ;},
	edition = {3rd ed},
	url = {http://www.loc.gov/catdir/enhancements/fy0915/2009004428-b.html}
}