@book{24470,
	author = {Institute of Biology. and Pirie, N. W.},
	title = {The numbers of man and animals /},
	publisher = {Oliver and Boyd,},
	year = {c1955.},
	address = {Edinburgh :},
	note = {"A record of the symposium held on 24 and 25 September 1954 by the Institute of Biology."}
}