TY - JOUR A1 - Hoffmann, F. A1 - Janussen, D. A1 - Dröse, W. A1 - Arp, Gernot A1 - Reitner, Joachim T1 - Histological investigations of organisms with hard skeletons T1 - a case study on siliceous sponges Y1 - 2003 VL - 78 IS - 3/4 SP - 191 EP - 199 JF - Biotechnic histochemistry DO - 10.23689/fidgeo-829 UR - http://hdl.handle.net/11858/00-1735-0000-0001-33F2-E ER -