J. M.  Engle and Richards, D. V., ?New and unusual marine invertebrates discovered at the California Channel Islands during the 1997-1998 El Niño?, Bulletin of the Southern California Academy of Sciences, vol. 100, pp. 186-198, 2001.

J. M.  Engle and Richards, D. V., ?New and unusual marine invertebrates discovered at the California Channel Islands during the 1997-1998 El Niño?, Bulletin of the Southern California Academy of Sciences, vol. 100, pp. 186-198, 2001.