@inbook{inbookbc87bb05,
title   = {Key to the polypoid stages of hydrozoa},
author = {Marques, Antonio Carlos and Migotto, Alvaro Esteves and Calder, Dale R. and Mills, Claudia E.},
year = {2007},
publisher = {Univ. of California Press},
journal   = {The light and Smith manual: interdial invertebrates from central California to Oregon}
}