@inbook {30,
	title = {Chondrichthyes III: Holocephali},
	booktitle = {Handbook of Paleoichthyology},
	volume = {4},
	year = {1999},
	publisher = { Verlag Dr. Friedrich Pfeil.},
	organization = { Verlag Dr. Friedrich Pfeil.},
	address = {M{\"u}nchen},
	author = {B. Stahl}
}
