@book{35187,
	author = {Silvertown, Jonathan W. and Charlesworth, Deborah},
	title = {Introduction to plant population biology /},
	publisher = {Blackwell Scientific Publications,},
	year = {1993.},
	address = {Boston :},
	edition = {3rd ed.},
	note = {Revised edition of: Introduction to plant population ecology. 2nd ed. 1987}
}