1. Complex self-incompatibility systems within the angiosperms and the possibility of reconstructing a self-incompatibility sytsem from different forms within a self-fertile species;Larsen;Incompatibility Newsl.,1973
2. Self-incompatibility in Beta vulgaris L. I. Four gametophytic, complementary S-loci in sugar beet;Larsen;Hereditas,1977
3. Four S-genes in one linkage group in Beta vulgaris L;Larsen;Incompatibility Newsl.,1978
4. Complex self-incompatibility systems in Ranunculus acris L. and Beta vulgaris L;Lundqvist;Hereditas,1973
5. Complex self-incompatibility systems in angiosperms;Lundqvist;Proc. R. Soc. (Lond.) Ser. B.,1975