@book {5403,
	title = {The Invertebrates. Vol II. Platyhelminthes and Rhynchocoela. The Acoelomate Bilateria.},
	year = {1951},
	month = {1951},
	pages = { - 572 pp.},
	publisher = {McGraw-Hill},
	organization = {McGraw-Hill},
	address = {New York},
	keywords = {Hofstenia atroviridis, Hofstenia viridis},
	author = {Hyman,LH}
}
