Bibliography    A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z | Before 1880 | Databases / Unp. data

1. International Trust for Zoological Nomenclature, 1999. International Code of Zoological Nomenclature (4th edition). Natural History Museum, London, 306 pp.
2. Ishizuka, K., Azama, Y., Sasaki, T., 2000. Two new species of the genus Pheretima s. lat. (family Megascolecidae) from the Yambaru district, Okinawa island, Japan. Edaphologia, 65: 89-95.
3. Ismail, S.A., 1997. Vermicology, the biology of earthworms. Orient Longman, Hyderabad, 92 pp.