TY - GEN AU - Dobzhansky,T AU - Mayr,E TI - Experiments on Sexual Isolation in Drosophila: I. Geographic Strains of Drosophila Willistoni SN - 0027-8424 PY - 2006///0601 N1 - Publication Type: Journal Article UR - https://doi.org/10.1073/pnas.30.9.238 ER -