@book{7206,
	author = {Batschelet, Edward.},
	title = {Introduction to mathematics for life scientists /},
	publisher = {Springer-Verlag,},
	year = {1979.},
	series = {Springer study edition.},
	address = {[S.l.] :},
	edition = {3rd ed.},
	url = {http://www.amazon.com/exec/obidos/ASIN/3540096485/chopaconline-20}
}