@article{gledocs_11858_00-1735-0000-0001-33A8-7,
author = {Reitner, Joachim and Mehl, Dorte},
title = {Early paleozoic diversification of sponges},
year = {1995},
volume = {20},
pages = {335-347},

series = {Geologisch-paläontologische Mitteilungen},
note = { \url {http://hdl.handle.net/11858/00-1735-0000-0001-33A8-7}},
}