Template:Ref-His1880
From Embryology
His W. Anatomie Menschliche Embryonen - Embryonen des ersten monats (Anatomy of human embryos - Embryos of the first month) (1880) Leipzig.
His W. Anatomie Menschliche Embryonen - Embryonen des ersten monats (Anatomy of human embryos - Embryos of the first month) (1880) Leipzig.