1. Contribution a l’etude de l’ossification des vertebres lombaires du veau;Cottereau,1952
2. Ossification in the foetal pig;Hodges;Anat. Rec.,1953
3. Observations on the loci of ossification in the prenatal and postnatal bovine skeleton;Lindsay;Br. vet. J.,1969
4. Anatomie Regionale des Animaux Domestiques. Vol. II: Ruminants;Montane,1917
5. Anatomy of the Domestic Animals;Sisson,1958