1. Opal phytoliths in some Victorian soils and “red rain” residues;Baker;Australian Journal of Botany,1959
2. Opal phytoliths and mineral particles in the rumen of sheep;Baker;Australian Journal of Agricultural Research,1960
3. Sediments anthropiques et coprolites animaux: modestes contributions à des grandes problèmes?;Beeching;Bulletin de la Societé Préhistorique Francaise,1983
4. Osteological differences between sheep (Ovis aries Linné) and goat (Capra hircus Linné);Boessneck,1969
5. Gehalt der Pflanzen an Mineralstoffen. Part I;Boresch;Tabulae Biologicae,1934