1. Studies on polyploid plants. VII. Chemical analysis of F1-hybrids and their amphidiploids;Kostoff;Compt. Rend. Acad. Sci. U.S.S.R.,1935
2. The evolutionary significance of autopolyploidy;Müntzing;Hereditas,1936
3. Studies on polyploidy in Nicotiana induced by the treatment with colchicine. II. Growth rate and chemical analysis of diploid and its autotetraploid in Nicotiana rustica and N. tabaccum;Noguti;Jap. Jour. Bot.,1940
4. Comparison of diploid and triploid sugar beet;Peto;Can. Jour. Res.,1940