1. Forsøg med tetraploid rug 1950-1954.;Andersen;Tidskr. f. Planteavl,1956
2. Studies of colchicine-induced tetraploids of Trifolium hybridum L. 1. Cross and self-fertility and cytological observations.;Armstrong;Canad. J. Agr. Sci.,1956
3. Incompatibility in autoploid white clover;Atwood;Cornell Univ. Memoir,1953
4. Genommutation als neue praktische Zuchtmethode;Bleier;D.L.G.-Nachr. f. Pflanzenzucht,1950
5. Breeding of tetraploid rye in the Netherlands. I. Methods and cytological investigations.;Bremer;Euphytica,1954