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2. Additional chromosomes in Paspalum stoloniferum Bosco;Avdulow;Bull. Appl. Bot., Genet. a. Plant-Br.,1934
3. The chromosomes and relationship of Crepis syriaca (Bornm.);Cameron;Univ. Calif. Publ. Agricult. Sc.,1934
4. The origin and behaviour of chiasmata. VIII. Secale cereale (n., 8);Darlington;Cytologia,1933