title: [Chemical and physical studies on the eggshell of 4 species of running birds (Struthioniformes)].
mesh_terms: D000818:Animals; D001717:Birds; D004528:Egg Shell / Q000032:analysis / Q000648:ultrastructure; D007477:Ions / Q000032:analysis; D014131:Trace Elements / Q000032:analysis
chemical_list: D007477:Ions; D014131:Trace Elements
vernacular_title: Chemische und physikalische Untersuchungen an Eierschalen von vier Laufvogelarten (Struthioniformes)