1. Hemmung des Schwärmens von Proteus-Bakterien durch oberflächenaktive Substanzen (Pril und Rei);Döll;Zbl. Bakt. I. Abt. Orig.,1956
2. Immunoelectrophoretic patterns of extracts from all Escherichia coli O and K antigen test strains. Correlation with pathogenicity;Ørskov;Acta path. microbiol. scand. Sect. B,1971
3. A new E. coli serotype O149:K91 (B), K88ac (L):H10 isolated from diseased swine;Ørskov;Acta path. microbiol. scand.,1969
4. The K antigens of Escherichia coli. Re-examination and re-evaluation of the nature of L antigen;Ørskov;Acta path. microbiol. scand. Sect. B,1970