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