1. A Late Permian flora with Dicroidium from the Dead Sea region, Jordan;Abu Hamad;Review of Palaeobotany and Palynology,2008
2. The Zeiss–Nomarski differential interference equipment for transmitted-light microscopy;Allen;Zeitschrift für wissenschaftliche Mikroskopie und mikroskopische Technik,1969
3. Pflanzenfossilien im rechten Licht;Barthel;Veröffentlichungen des Museums für Naturkunde Chemnitz,1996
4. Teasing fossils out of shales with cameras and computers;Bengtson;Palaeontologia Electronica,2000
5. Photography of microfossils;Benson,1965