@book{921,
	author = {Gilbert, Scott F.},
	title = {Developmental biology /},
	publisher = {Sinauer;},
	year = {1997.},
	address = {Masachusetts:},
	edition = {5a ed.},
	note = {Gilbert, S. F. (1997). Developmental biology. (5th ed.). Masachusetts : Sinauer.}
}