Population genetics of the metabolically related Adh, Gpdh and Tpi polymorphisms in Drosophila melanogaster : II. Temporal and Spatial Variation in an Orchard Population Karen M. NIELSEN, A. A. HOFFMANN and S. W. McKECHNIEGenet. Sel. Evol., 17 1 (1985) 41-58DOI: https://doi.org/10.1051/gse:19850103