1. Linkage between the K blood group locus and the Hp locus for hematin-binding globulins in pigs;Andresen;Genetics,1966
2. Linear sequence of the autosomal loci PHI, H and 6-PGD in pigs;Andresen;Animal Blood Groups and Biochemical Genetics,1971
3. Evidence indicating the sequence Phi, Hal, H of three closely linked loci in pigs;Andresen;Nordisk Veterinaermedicin,1979
4. A study of the sensitivity to halothane and associations between Hal and Phi, H, A and S loci in the pigs of Black and White Pîeýtice breed;Čpica;ýivoýiýnávýroba,1982