1. Salivary chromosome maps;Bridges;J. Heredit.,1935
2. Bar duplication;Muller;Science,1936
3. Evolution from fish to mammals by gene duplication;Ohno;Hereditas,1968
4. Evolution by Gene Duplication;Ohno,1970
5. Why polyploidy is rarer in animals than plants;Muller;Am. Nat.,1925