William J. Etges (Sep 1989). "Divergence in Cactophilic Drosophila: The Evolutionary Significance of Adult Ethanol Metabolism". Evolution. 43 (6). Society for the Study of Evolution: 1316–1319. doi:10.2307/2409367. JSTOR2409367.
William J. Etges (Sep 1989). "Divergence in Cactophilic Drosophila: The Evolutionary Significance of Adult Ethanol Metabolism". Evolution. 43 (6). Society for the Study of Evolution: 1316–1319. doi:10.2307/2409367. JSTOR2409367.