1. The evidence for long range specific attractive forces during the somatic pairing of dipteran chromosomes;Cooper;Journ. of Exper. Zool.,1948
2. Pseudo-bivalent formation in the pollen of Allium Schoenoprasum;Levan;Botaniska Notiser,1937
3. Induction of chromosome fragmentation by phenols;Levan;Hereditas,1948
4. Apomictic and sexual seed formation in Poa;Müntzing;Hereditas,1933
5. Genetical effects of duplicated fragment chromosomes in rye;Müntzing;Hereditas,1943