1. The G and H blood group systems of the pig;Andresen;Acta vet. scand,1961
2. A case of haemolytic disease of new-born pigs in Slovenia;Böhm;Zborn. biotek. Fak. Univ. Ljubljana,1966
3. Haemolytic disease of newborn pigs caused by iso-immunisation of pregnancy;Buxton;Nature. Lond,1953a
4. Haemolytic disease of newborn pigs caused by iso-immunisation of pregnancy;Buxton;Vet. Rec,1953b
5. Blood group antagonism in newborn piglets;Cöp;Neth. J. vet. Sci,1969