%0 Book Section
%A Reitner, Joachim
%A Keupp, H.
%E Reitner, Joachim
%T The fossil record of the Haplosclerid excavating sponge Aka de Laubenfels
%B Fossil and recent sponges
%D 1991
%R 10.23689/fidgeo-1806
%I Springer%C Berlin [u.a.]
%U http://hdl.handle.net/11858/00-1735-0000-0001-33B3-D
%~  FID GEO-LEO e-docs