Cooper K.W. 1959
Cooper K.W. 1959. Cytogenetic analysis of major heterochromatic elements (especially Xh and Y) in Drosophila melanogaster and the theory of "heterochromatin". Chromosoma 10: 535-588.
Cooper K.W. 1959. Cytogenetic analysis of major heterochromatic elements (especially Xh and Y) in Drosophila melanogaster and the theory of "heterochromatin". Chromosoma 10: 535-588.
