1. Some biometric data on the Pietrain pig;Knoertzer;Bull. Tech. D'Inform. des ingenieurs des services agricoles,1961
2. The nutritive value of separated milk for pigs. I. A comparison of two diets containing separated milk with a standard all-meal diet
3. The Pietrain pig;Van Snick;Wld Rev. Anim. Prod.,1966
4. Ten years of selection and observation on the Pietrain pigs;Dehaye;Revue Agric, Brux.,1962
5. A comparison of muscle development between Pietrain and Large White pigs;Dumont;Revue med. vet.,1969